Easy to reproduce:
### 20.3.13
```
SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
                }
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.000203731,
                "rows_read": 1,
                "bytes_read": 1
        }
}
```

### 20.4.5
```
:) select 1 format JSON

SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
>>>>>>>> no closing bracket <<<<<<<<<<
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.000771732,
                "rows_read": 1,
                "bytes_read": 1
        }
}
```
### master
```

SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
>>>>>>>> no closing bracket <<<<<<<<<<
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.00103364,
                "rows_read": 1,
                "bytes_read": 1
        }
}

```

Settings cmd_settings
        cmd_settings.addProgramOptions(main_description)
        /// Commandline options related to external bles.
        teOptionsDescription("External bles options", terminal_idth)
        external_description.add_options()
            ("file", po::value<std::string>(), "da file or - for stdin")
            ("name", po::value<std::string>()->default_value("_da"), "name of the ble")
            ("format", po::value<std::string>()->default_value("TabSeparated"), "da format")
            ("structure", po::value<std::string>(), "structure")
            ("types", po::value<std::string>(), "types")
        
        /// Parse main commandline options.
        po::parsed_optio(common_arguments).options(main_description).run()
        auto unrecognized_options = po::collect_unrecognized(parsed.options, po::collect_unrecognized_mode::include_positional)
        // unrecognized_options[0] is "", I don't undersnd hy e need "" as the first argument hich unused
        if (unrecognized_options.size() > 1)
        {
            thro Exception("Unrecognized option '" + unrecognized_options[1] + "'", ErrorCodes::UNRECOGNIZED_ARGUMENTS)
        
        po::variables_map options
        po::store(parsed, options)
        po::notify(options)
        if (options.count("version") || options.count("V"))
        {
            shoClientVersion()
            exit(0)
        
        if (options.count("version-clean"))
        {
            std::cout << VERSION_STRING