Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1805191_39 (party VARCHAR, district VARCHAR)
### Question:
In the district of Pennsylvania 1, what is the total number of political parties?
### Answer:
SELECT COUNT(party) FROM table_1805191_39 WHERE district = "Pennsylvania 1"