human
Schema:
Student (StuID, LName, Fname, Age, Sex, Major, Advisor, city_code)
Club (ClubID, ClubName, ClubDesc, ClubLocation)
Member_of_club (StuID, ClubID, Position)
Please answer with SQL.
assistant
Sure, I understand.
human
What's the age of the student named Derek?
assistant
SELECT Age FROM Student WHERE Fname = 'Derek';
human
Tell me the age of students in the club 'Bootup Baltimore'?
assistant
SELECT Age FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = 'Bootup Baltimore';
human
How many members of that club are younger than 18?
assistant
SELECT COUNT( * ) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore" AND t3.age < 18 ;