CREATE TABLE table_46642 ("Date" TEXT, "Opponent#" TEXT, "Rank #" TEXT, "Site" TEXT, "Result" TEXT, "Attendance" TEXT)

What rank were the Buckeyes when there were 68,586 in attendance?
SELECT "Rank #" FROM table_46642 WHERE "Attendance" = '68,586'
SELECT "Rank #" FROM "table_46642" WHERE "Attendance" = '68,586'