How many laps had a grid over 16 and a Time of +1:35.890?
CREATE TABLE "250cc_classification" (
  "rider" text,
  "manufacturer" text,
  "laps" real,
  "time" text,
  "grid" real
);
SELECT "laps" FROM "250cc_classification" WHERE "grid">16 AND "time"='+1:35.890';