CREATE TABLE table_53587 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Attendance" FLOAT)

What week was the game played at Robert f. Kennedy memorial stadium with more than 54,633 people in attendance?
SELECT COUNT("Week") FROM table_53587 WHERE "Game site" = 'robert f. kennedy memorial stadium' AND "Attendance" > '54,633'
SELECT COUNT("Week") FROM "table_53587" WHERE "Attendance" > '54,633' AND "Game site" = 'robert f. kennedy memorial stadium'