Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE representative ( Party VARCHAR, State VARCHAR )

### Question ###
Show the parties that have both representatives in New York state and representatives in Pennsylvania state.

### Accurate SQL ###

SELECT Party FROM representative WHERE State = "New York" INTERSECT SELECT Party FROM representative WHERE State = "Pennsylvania"