query: SELECT name FROM people WHERE height  <  (SELECT avg(height) FROM people)
question: What-all name of persons who are like shorter as average?
query_toks: SELECT name FROM people WHERE height < ( SELECT avg ( height ) FROM people )
query_toks_no_value: select name from people where height < ( select avg ( height ) from people )
question_toks: What-all name of persons who are like shorter as average?