CREATE TABLE table_72358 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Results" TEXT, "Candidates" TEXT)

Who were the candidates in the election where Saxby Chambliss was the incumbent?
SELECT "Candidates" FROM table_72358 WHERE "Incumbent" = 'Saxby Chambliss'
SELECT "Candidates" FROM "table_72358" WHERE "Incumbent" = 'Saxby Chambliss'