SELECT avg(t3.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"
What is the average age of the members of the club "Bootup Baltimore"?
SELECT avg ( t3.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 ''
select avg ( t3 . 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 = value
What is the average age of the members of the club `` Bootup Baltimore '' ?