Table: election_results_1964_2
Columns: district
incumbent
party
first_elected
result
candidates

Question: How many parties won the election in the Louisiana 5 district?
SQL: SELECT COUNT("party") FROM election_results_1964_2 WHERE "district" = 'Louisiana 5'

Question: How many candidates were elected in the Louisiana 4 district?
SQL: SELECT COUNT("first_elected") FROM election_results_1964_2 WHERE "district" = 'Louisiana 4'

Question: Who was the winner in the Louisiana 7 district?
SQL: SELECT "incumbent" FROM election_results_1964_2 WHERE "district" = 'Louisiana 7'