CREATE TABLE table_37701 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" TEXT, "Result" TEXT)

What was the result for incumbent Joseph McKenna who was first elected in 1884?
SELECT "Result" FROM table_37701 WHERE "First elected" = '1884' AND "Incumbent" = 'joseph mckenna'
SELECT "Result" FROM "table_37701" WHERE "First elected" = '1884' AND "Incumbent" = 'joseph mckenna'