Question: How many parties won the election in the Louisiana 5 district?
SQL: SELECT COUNT("Party") FROM "1-1341865-20" WHERE "District" = 'Louisiana 5';

Question: How many candidates were elected in the Louisiana 4 district?
SQL: SELECT COUNT("First elected") FROM "1-1341865-20" WHERE "District" = 'Louisiana 4';

Question: Who was the winner in the Louisiana 7 district?
SQL: SELECT "Incumbent" FROM "1-1341865-20" WHERE "District" = 'Louisiana 7';