SELECT StuID FROM Student WHERE sex  =  'F' INTERSECT SELECT StuID FROM Sportsinfo WHERE sportname  =  "Football"
Show student ids who are female and play football.
SELECT StuID FROM Student WHERE sex = 'F ' INTERSECT SELECT StuID FROM Sportsinfo WHERE sportname = `` Football ''
select stuid from student where sex = value intersect select stuid from sportsinfo where sportname = value
Show student ids who are female and play football .