Table: election_results_1946_2
Columns: district
incumbent
party
first_elected
result
candidates

Question: Who was the candidate in the election in the Tennessee 9 district? 
SQL: SELECT "candidates" FROM election_results_1946_2 WHERE "district" = 'Tennessee 9'

Question: When was the Tennessee 3 district incumbent first elected? 
SQL: SELECT MAX("first_elected") FROM election_results_1946_2 WHERE "district" = 'Tennessee 3'

Question: What district was Harold Earthman the incumbent in? 
SQL: SELECT "district" FROM election_results_1946_2 WHERE "incumbent" = 'Harold Earthman'