Which Class Pos has a Year larger than 1997, a Team of corvette racing, a Class of gt1, and 327 laps?
CREATE TABLE "24_hours_of_le_mans_results" (
  "year" real,
  "team" text,
  "co_drivers" text,
  "class" text,
  "laps" real,
  "pos" text,
  "class_pos" text
);
SELECT "class_pos" FROM "24_hours_of_le_mans_results" WHERE "year">1997 AND "team"='corvette racing' AND "class"='gt1' AND "laps"=327;