query: SELECT count(*) ,  avg(age) ,  city_code FROM student WHERE sex  =  'M' GROUP BY city_code
question: Are Finding that average ages and number of male students (with sexes M) from each city.
query_toks: SELECT count ( * ) , avg ( age ) , city_code FROM student WHERE sex = 'M ' GROUP BY city_code
query_toks_no_value: select count ( * ) , avg ( age ) , city_code from student where sex = value group by city_code
question_toks: Are Finding that average ages and number of male students (with sexes M) from each city.