Question: How many clubs does the student Eric Tai belong to?
SQL: SELECT count ( DISTINCT t1.clubname )  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 t3.fname   =   "Eric" AND t3.lname   =   "Tai"