Which district is Joe Moakley?
CREATE TABLE table_1341423_21 (district VARCHAR, incumbent VARCHAR)
SELECT district FROM table_1341423_21 WHERE incumbent = "Joe Moakley"
### Context: CREATE TABLE table_1341423_21 (district VARCHAR, incumbent VARCHAR) ### Question: Which district is Joe Moakley? ### Answer: SELECT district FROM table_1341423_21 WHERE incumbent = "Joe Moakley"