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

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'