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_1342013_20 (party VARCHAR, incumbent VARCHAR)
### Question:
Thomas J. Lane is the incumbent of how many parties?
### Answer:
SELECT COUNT(party) FROM table_1342013_20 WHERE incumbent = "Thomas J. Lane"