Who made the car that Alberto Ascari went more than 35 laps on a grid less than 7?
CREATE TABLE "classification" (
  "driver" text,
  "constructor" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);
SELECT "constructor" FROM "classification" WHERE "grid"<7 AND "laps">35 AND "driver"='alberto ascari';