CREATE TABLE table_18419 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Name the candidates where incumbent Carl Vinson is?
SELECT "Candidates" FROM table_18419 WHERE "Incumbent" = 'Carl Vinson'
SELECT "Candidates" FROM "table_18419" WHERE "Incumbent" = 'Carl Vinson'