CREATE TABLE table_4768 ("Name" TEXT, "Pole Position" TEXT, "Fastest Lap" TEXT, "Winning driver" TEXT, "Winning team" TEXT, "Report" TEXT)

Which report includes Bobby Unser as the Pole Position and Rick Mears as the Winning driver?
SELECT "Report" FROM table_4768 WHERE "Pole Position" = 'bobby unser' AND "Winning driver" = 'rick mears'
SELECT "Report" FROM "table_4768" WHERE "Pole Position" = 'bobby unser' AND "Winning driver" = 'rick mears'