What district was the successor seated in March 28, 1878?
CREATE TABLE table_2417390_4 (district VARCHAR, date_successor_seated VARCHAR)
SELECT district FROM table_2417390_4 WHERE date_successor_seated = "March 28, 1878"
### Context: CREATE TABLE table_2417390_4 (district VARCHAR, date_successor_seated VARCHAR) ### Question: What district was the successor seated in March 28, 1878? ### Answer: SELECT district FROM table_2417390_4 WHERE date_successor_seated = "March 28, 1878"