query: SELECT StuID FROM Has_allergy GROUP BY StuID HAVING count(*)  >=  2
question: What student id student who have more than one allergy?
query_toks: SELECT StuID FROM Has_allergy GROUP BY StuID HAVING count ( * ) > = 2
query_toks_no_value: select stuid from has_allergy group by stuid having count ( * ) > = value
question_toks: What student id student who have more than one allergy?