What was the Finish when NL was the League, the Percentage was under 0.726, the Year was larger than 1897, and the Franchies was the Pittsburgh Pirates?
CREATE TABLE "season_records" (
  "year" real,
  "franchise" text,
  "league" text,
  "percentage" real,
  "finish" text
);
SELECT "finish" FROM "season_records" WHERE "league"='nl' AND "percentage"<0.726 AND "year">1897 AND "franchise"='pittsburgh pirates';