CREATE TABLE table_51980 ("Game" FLOAT, "Score" TEXT, "Date" TEXT, "Location" TEXT, "Attendance" FLOAT, "Time of Game" TEXT)

What is the first game number that had attendance of 56,505?
SELECT MIN("Game") FROM table_51980 WHERE "Attendance" = '56,505'
SELECT MIN("Game") FROM "table_51980" WHERE "Attendance" = '56,505'