CREATE TABLE table_23877 ("#" TEXT, "Date" TEXT, "at/vs." TEXT, "Opponent" TEXT, "Score" TEXT, "Attendance" FLOAT, "Record" TEXT)

What game number had an attendance of 2813?
SELECT "#" FROM table_23877 WHERE "Attendance" = '2813'
SELECT "#" FROM "table_23877" WHERE "Attendance" = '2813'