SELECT Party FROM representative WHERE State  =  "New York" INTERSECT SELECT Party FROM representative WHERE State  =  "Pennsylvania"
Show the parties that have both representatives in New York state and representatives in Pennsylvania state.
SELECT Party FROM representative WHERE State = `` New York '' INTERSECT SELECT Party FROM representative WHERE State = `` Pennsylvania ''
select party from representative where state = value intersect select party from representative where state = value
Show the parties that have both representatives in New York state and representatives in Pennsylvania state .