What is Incumbent, when District is "Louisiana 4"?
CREATE TABLE table_name_7 (incumbent VARCHAR, district VARCHAR)
SELECT incumbent FROM table_name_7 WHERE district = "louisiana 4"
### 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"