CREATE TABLE table_18292 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

what's the first elected with incumbent being joseph d. early
SELECT "First elected" FROM table_18292 WHERE "Incumbent" = 'Joseph D. Early'
SELECT "First elected" FROM "table_18292" WHERE "Incumbent" = 'Joseph D. Early'