Find the number of members of club "Pen and Paper Gaming".
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"
Kulüp "kalem ve kağıt oyun" üyelerinin sayısını bulun.