CREATE TABLE table_18403 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

How many parties won the election in the Louisiana 5 district?
SELECT COUNT("Party") FROM table_18403 WHERE "District" = 'Louisiana 5'
SELECT COUNT("Party") FROM "table_18403" WHERE "District" = 'Louisiana 5'