CREATE TABLE table_18494 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What is the candidates for fred e. busbey?
SELECT "Candidates" FROM table_18494 WHERE "Incumbent" = 'Fred E. Busbey'
SELECT "Candidates" FROM "table_18494" WHERE "Incumbent" = 'Fred E. Busbey'