query: SELECT first_name FROM Teachers WHERE email_address LIKE '%man%'
question: Do Find the first names of teacher whose emails contain the word "man".
query_toks: SELECT first_name FROM Teachers WHERE email_address LIKE ' % man % '
query_toks_no_value: select first_name from teachers where email_address like value
question_toks: Do Find the first names of teacher whose emails contain the word "man".