What district re-elected a Republican?
CREATE TABLE table_name_21 (
    district VARCHAR,
    party VARCHAR,
    results VARCHAR
)
SELECT district FROM table_name_21 WHERE party = "republican" AND results = "re-elected"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What district re-elected a Republican? ### Input: CREATE TABLE table_name_21 (
    district VARCHAR,
    party VARCHAR,
    results VARCHAR
) ### Response: SELECT district FROM table_name_21 WHERE party = "republican" AND results = "re-elected"