**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.

return Token(TokenType::Arrow, token_begin, ++pos);
            if (pos < end && *pos == '-')
            {
                ++pos;
                return comment_until_end_of_line();
            }
            return Token(TokenType::Minus, token_begin, pos);
        }
        case '*':
            ++pos;
            return Token(TokenType::Asterisk, token_begin, pos);
        case '/':   
        {
            ++pos;
            if (pos < end && (*pos == '/' || *pos == '*'))
            {
                if (*pos == '/')
                {
                    ++pos;
                    return comment_until_end_of_line();
                }
                else
                {
                    ++pos;
                    while (pos + 2 <= end)
                    {
                        
                        if (pos[0] == '*' && pos[1] == '/')
                        {
                            pos += 2;