Show first and last name and activity ids for all faculty participating in activities.
select t1.fname, t1.lname, t2.actid from faculty as t1 join faculty_participates_in as t2 on t1.facid = t2.facid
How many activities does Mark Giuliano participate in?
select count(*) from faculty as t1 join faculty_participates_in as t2 on t1.facid = t2.facid where t1.fname = "Mark" and t1.lname = "Giuliano"