Which district has joseph t. johnson as an incumbent?
CREATE TABLE table_name_61 (district VARCHAR, incumbent VARCHAR)
SELECT district FROM table_name_61 WHERE incumbent = "joseph t. johnson"
### Context: CREATE TABLE table_name_61 (district VARCHAR, incumbent VARCHAR) ### Question: Which district has joseph t. johnson as an incumbent? ### Answer: SELECT district FROM table_name_61 WHERE incumbent = "joseph t. johnson"