What day was the gross sales $1,271,451?
CREATE TABLE "table1_16331025_2" (
  "dates_mdy" text,
  "position" real,
  "gross_sales" text,
  "tickets_sold_available" text,
  "sellout_pct" text
);
SELECT "dates_mdy" FROM "table1_16331025_2" WHERE "gross_sales"='$1,271,451';