CREATE TABLE table_18688 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

Who were the candidates in the 1922 entry?
SELECT "Candidates" FROM table_18688 WHERE "First elected" = '1922'
SELECT "Candidates" FROM "table_18688" WHERE "First elected" = '1922'