SELECT StuID FROM Student WHERE sex  =  'M' EXCEPT SELECT StuID FROM Sportsinfo WHERE sportname  =  "Football"
What are the ids of all male students who do not play football?
SELECT StuID FROM Student WHERE sex = 'M ' EXCEPT SELECT StuID FROM Sportsinfo WHERE sportname = `` Football ''
select stuid from student where sex = value except select stuid from sportsinfo where sportname = value
What are the ids of all male students who do not play football ?