Table: election_results_1966_3
Columns: district
incumbent
party
first_elected
result
candidates

Question: What was the district who had their first elected in 1966?
SQL: SELECT "district" FROM election_results_1966_3 WHERE "first_elected" = 1966

Question: Who was the candidate when the incumbent was Richard C. White?
SQL: SELECT "candidates" FROM election_results_1966_3 WHERE "incumbent" = 'Richard C. White'