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_25030512_41 (district VARCHAR, incumbent VARCHAR)
### Question:
Name the number of district for tom marino
### Answer:
SELECT COUNT(district) FROM table_25030512_41 WHERE incumbent = "Tom Marino"