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_1341568_48 (party VARCHAR, incumbent VARCHAR)
### Question:
How many parties is Tom Foley a member of?
### Answer:
SELECT COUNT(party) FROM table_1341568_48 WHERE incumbent = "Tom Foley"