CREATE TABLE table_name_15 (incumbent VARCHAR2, result VARCHAR2, first_elected VARCHAR2)

What incumbent has a re-elected result and first elected larger than 1884?
SELECT incumbent FROM table_name_15 WHERE result = "re-elected" AND first_elected > 1884
SELECT "incumbent" FROM "table_name_15" WHERE "first_elected" > 1884 AND "re-elected" = "result"