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_1341707_15 (party VARCHAR, district VARCHAR)
### Question:
What party did the incumbent from the Illinois 1 district belong to? 
### Answer:
SELECT party FROM table_1341707_15 WHERE district = "Illinois 1"