query: SELECT avg(num_employees) FROM department WHERE ranking BETWEEN 10 AND 15
question: What-all a number average employee them a department them the rank for whose 10 and 15?
query_toks: SELECT avg ( num_employees ) FROM department WHERE ranking BETWEEN 10 AND 15
query_toks_no_value: select avg ( num_employees ) from department where ranking between value and value
question_toks: What-all a number average employee them a department them the rank for whose 10 and 15?