CREATE TABLE table_18177 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Who were the candidates in the district where Charlie Norwood is the incumbent?
SELECT "Candidates" FROM table_18177 WHERE "Incumbent" = 'Charlie Norwood'
SELECT "Candidates" FROM "table_18177" WHERE "Incumbent" = 'Charlie Norwood'