query: SELECT * FROM employees WHERE hire_date  <  '2002-06-21'
question: display all the details from Employees table for those there employees who was hired before 2002-06-21.
query_toks: SELECT * FROM employees WHERE hire_date < '2002-06-21 '
query_toks_no_value: select * from employees where hire_date < value
question_toks: display all the details from Employees table for those there employees who was hired before 2002-06-21.