Which Rider has a Grid larger than 6, and has Laps of 28, and a Time of +39.476?
CREATE TABLE "moto_gp_classification" (
  "rider" text,
  "manufacturer" text,
  "laps" real,
  "time" text,
  "grid" real
);
SELECT "rider" FROM "moto_gp_classification" WHERE "grid">6 AND "laps"=28 AND "time"='+39.476';