CREATE TABLE table_18525 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" CLOB, "Result" CLOB, "Candidates" CLOB)

Who was the first elected incumbent in the 1946 election?
SELECT "Incumbent" FROM table_18525 WHERE "First elected" = '1946'
SELECT "Incumbent" FROM "table_18525" WHERE "First elected" = '1946'