CREATE TABLE table_18684 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

Who won in 1927
SELECT "Incumbent" FROM table_18684 WHERE "First elected" = '1927'
SELECT "Incumbent" FROM "table_18684" WHERE "First elected" = '1927'