A man at a bar felt so poor when he saw a rich man take 50 dollars out of his pocket to tip the waiter .then he said to the rich man ,"please order a song ,i can sing all the songs . "the rich man laughed and said ,''i bet you all the money in my pocket that you can't sing a song with my daughter's name in it,Sarah Lee Greyson."in the end ,the poor man won the money .what song did he sing ?