Find the number of members of club "Pen and Paper Gaming".
create table club (clubid varchar, clubname varchar, PRIMARY KEY (clubid)); create table member_of_club (clubid varchar, stuid varchar, PRIMARY KEY (clubid)); create table student (stuid varchar, PRIMARY KEY (stuid))
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 = "pen and paper gaming"