CREATE TABLE table_18474 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What was the result when Leo E. Allen was elected?
SELECT "Result" FROM table_18474 WHERE "Incumbent" = 'Leo E. Allen'
SELECT "Result" FROM "table_18474" WHERE "Incumbent" = 'Leo E. Allen'