query: SELECT first_name ,  birth_date FROM players WHERE country_code  =  'USA'
question: List the first name and birth date of all players from the countrys with codes USA.
query_toks: SELECT first_name , birth_date FROM players WHERE country_code = 'USA '
query_toks_no_value: select first_name , birth_date from players where country_code = value
question_toks: List the first name and birth date of all players from the countrys with codes USA.