Table: election_results_1956_2
Columns: district
incumbent
party
first_elected
result
candidates

Question: Who is the incumbent in the Alabama 6 voting district?
SQL: SELECT "incumbent" FROM election_results_1956_2 WHERE "district" = 'Alabama 6'

Question: Which candidates were in the election where Frank W. Boykin was an incumbent?
SQL: SELECT "candidates" FROM election_results_1956_2 WHERE "incumbent" = 'Frank W. Boykin'

Question: Who were the candidates in the election where the incumbent is George M. Grant?
SQL: SELECT "candidates" FROM election_results_1956_2 WHERE "incumbent" = 'George M. Grant'

Question: Which candidates ran in the Alabama 6 district?
SQL: SELECT "candidates" FROM election_results_1956_2 WHERE "district" = 'Alabama 6'

Question: What is the latest year listed with the Alabama 4 voting district?
SQL: SELECT MAX("first_elected") FROM election_results_1956_2 WHERE "district" = 'Alabama 4'