Question: Show the names of all the activities Mark Giuliano participates in.
SQL: SELECT T3.activity_name FROM Faculty AS T1 JOIN Faculty_participates_in AS T2 ON T1.facID  =  T2.facID JOIN Activity AS T3 ON T3.actid  =  T2.actid WHERE T1.fname  =  "Mark" AND T1.lname  =  "Giuliano"