Who was the incumbent that retired to run for the senate democratic hold?
CREATE TABLE table_name_82 (incumbent VARCHAR, result VARCHAR)
SELECT incumbent FROM table_name_82 WHERE result = "retired to run for the senate democratic hold"
### Context: CREATE TABLE table_name_82 (incumbent VARCHAR, result VARCHAR) ### Question: Who was the incumbent that retired to run for the senate democratic hold? ### Answer: SELECT incumbent FROM table_name_82 WHERE result = "retired to run for the senate democratic hold"