Which Opponent has a Streak of lost 1, and a Date of april 30?
CREATE TABLE "schedule" (
  "game" real,
  "date" text,
  "opponent" text,
  "result" text,
  "bulls_score" real,
  "opponent_score" real,
  "record" text,
  "streak" text
);
SELECT "opponent" FROM "schedule" WHERE "streak"='lost 1' AND "date"='april 30';