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_name_7 (incumbent VARCHAR, district VARCHAR)
### Question:
What is Incumbent, when District is "Louisiana 4"?
### Answer:
SELECT incumbent FROM table_name_7 WHERE district = "louisiana 4"