CREATE TABLE table_19244 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Who were all candidate when incumbent was D. Wyatt Aiken?
SELECT "Candidates" FROM table_19244 WHERE "Incumbent" = 'D. Wyatt Aiken'
SELECT "Candidates" FROM "table_19244" WHERE "Incumbent" = 'D. Wyatt Aiken'