**Describe the bug**

Table schema:
> mysql> show create table name\G
> 
> *************************** 1. row ***************************
>        Table: name
> Create Table: CREATE TABLE `name` (
>   `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
>   `username` varchar(40) DEFAULT NULL,
>   `1m_10m` smallint(6) DEFAULT NULL,
>   PRIMARY KEY (`id`)
> ) ENGINE=InnoDB AUTO_INCREMENT=178 DEFAULT CHARSET=latin1

When doing DB creation:

>  CREATE DATABASE clickhouse_test ENGINE = MaterializeMySQL('192.168.153.132:3306', 'clickhouse_test', 'root', 'password');

Got error message:

> Code: 62. DB::Exception: Received from 192.168.153.132:9000. DB::Exception: Syntax error: failed at position 80 ('1m_10m'): 1m_10m) VALUES. Wrong number.

++pos;
            return Token(TokenType::Whitespace, token_begin, pos);
        }
        case '0': [[fallthrough]];
        case '1': [[fallthrough]];
        case '2': [[fallthrough]];
        case '3': [[fallthrough]];
        case '4': [[fallthrough]];
        case '5': [[fallthrough]];
        case '6': [[fallthrough]];
        case '7': [[fallthrough]];
        case '8': [[fallthrough]];
        case '9':
        {
            
            
            
            
            if (prev_significant_token_type == TokenType::Dot)
            {
                ++pos;
                while (pos < end && isNumericASCII(*pos))
                    ++pos;
            }
            else
            {
                
                bool hex = false;
                if (pos + 2 < end && *pos == '0' && (pos[1] == 'x' || pos[1] == 'b' || pos[1] == 'X' || pos[1] == 'B'))
                {