CREATE TABLE table_18470 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Which candidates ran in the Alabama 6 district?
SELECT "Candidates" FROM table_18470 WHERE "District" = 'Alabama 6'
SELECT "Candidates" FROM "table_18470" WHERE "District" = 'Alabama 6'