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_1341423_49 (candidates VARCHAR, incumbent VARCHAR)
### Question:
Who ran in the district elections won by Tom Petri?
### Answer:
SELECT candidates FROM table_1341423_49 WHERE incumbent = "Tom Petri"