CREATE TABLE table_72113 ("Rnd" TEXT, "Race Name" TEXT, "Circuit" TEXT, "City/Location" TEXT, "Date" TEXT, "Pole position" TEXT, "Winning driver" TEXT, "Winning team" TEXT, "Report" TEXT)

What report was there for the porsche north america?
SELECT "Report" FROM table_72113 WHERE "Winning team" = 'Porsche North America'
SELECT "Report" FROM "table_72113" WHERE "Winning team" = 'Porsche North America'