Who was the rider who had an accident time and a kawasaki zx-10r bike?
CREATE TABLE "superbike_race_2_classification" (
  "rider" text,
  "bike" text,
  "laps" real,
  "time" text,
  "grid" real
);
SELECT "rider" FROM "superbike_race_2_classification" WHERE "time"='accident' AND "bike"='kawasaki zx-10r';