What is the Time/Retired for the BMW Sauber, and Nick Heidfeld?
CREATE TABLE "race" (
  "driver" text,
  "constructor" text,
  "laps" text,
  "time_retired" text,
  "grid" text
);
SELECT "time_retired" FROM "race" WHERE "constructor"='bmw sauber' AND "driver"='nick heidfeld';