Which lap has more than 17 grids with tetsuya harada?
CREATE TABLE "moto_gp_classification" (
  "rider" text,
  "manufacturer" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);
SELECT "laps" FROM "moto_gp_classification" WHERE "grid">17 AND "rider"='tetsuya harada';