SCHEMA:
CREATE TABLE table_name_25 (class VARCHAR, laps VARCHAR, year VARCHAR, team VARCHAR)
USER:
Which Class Pos has a Year larger than 1997, a Team of corvette racing, a Class of gt1, and 327 laps?

QUERY:
SELECT class AS pos FROM table_name_25 WHERE year > 1997 AND team = "corvette racing" AND class = "gt1" AND laps = 327