What is the time or retired time for timo glock with under 70 laps and a grid number greater than 15?
CREATE TABLE "race" (
  "driver" text,
  "constructor" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);
SELECT "time_retired" FROM "race" WHERE "laps"<70 AND "grid">15 AND "driver"='timo glock';