Who was the "incumbent" of district south carolina 7?
CREATE TABLE table_2668243_22 (incumbent VARCHAR, district VARCHAR)
SELECT incumbent FROM table_2668243_22 WHERE district = "South Carolina 7"
### Context: CREATE TABLE table_2668243_22 (incumbent VARCHAR, district VARCHAR) ### Question: Who was the "incumbent" of district south carolina 7? ### Answer: SELECT incumbent FROM table_2668243_22 WHERE district = "South Carolina 7"