**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;
    while (true)
    {
        pos = find_first_symbols<quote, '\\'>(pos, end);
        if (pos >= end)
            return Token(error_token, token_begin, end);
        if (*pos == quote)
        {
            ++pos;
            if (pos < end && *pos == quote)
            {
                ++pos;
                continue;
            }
            return Token(success_token, token_begin, pos);
        }
        if (*pos == '\\')
        {
            ++pos;
            if (pos >= end)
                return Token(error_token, token_begin, end);
            ++pos;
            continue;
        }
        __builtin_unreachable();
    }
}
}
Token Lexer::nextToken()