What District was Incumbent Steve Israel First elected after 1998 in the Democratic party?
CREATE TABLE "new_york" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" real,
  "results" text
);
SELECT "district" FROM "new_york" WHERE "first_elected">1998 AND "party"='democratic' AND "incumbent"='steve israel';