CREATE TABLE table_20677 ("Dates  ( MDY ) " TEXT, "Position" FLOAT, "Gross sales" TEXT, "Tickets sold / available" TEXT, "Sellout  ( % ) " TEXT)

What day was the gross sales $1,271,451?
SELECT "Dates (MDY)" FROM table_20677 WHERE "Gross sales" = '$1,271,451'
SELECT "Dates (MDY)" FROM "table_20677" WHERE "Gross sales" = '$1,271,451'