What is the host in a year greater than 1989 and when the venue is the Staples Center located in California?
CREATE TABLE "televised_era" (
  "year" real,
  "venue" text,
  "city" text,
  "state" text,
  "host" text
);
SELECT "host" FROM "televised_era" WHERE "year">1989 AND "state"='california' AND "venue"='staples center';