CREATE TABLE table_4795 ("Week" FLOAT, "Opponent" TEXT, "Result" TEXT, "Stadium" TEXT, "Record" TEXT, "Attendance" TEXT)

What is the week for the stadium that had an attendance of 22,286?
SELECT AVG("Week") FROM table_4795 WHERE "Attendance" = '22,286'
SELECT AVG("Week") FROM "table_4795" WHERE "Attendance" = '22,286'