<Tr> <Td> August 21 </Td> <Td> </Td> </Tr> <Tr> <Td> August 28 </Td> <Td> </Td> </Tr> <Tr> <Td> September 4 </Td> <Td> "Bailamos" </Td> <Td> Enrique Iglesias </Td> <Td> </Td> </Tr> <Tr> <Td> September 11 </Td> <Td> </Td> </Tr>

What song was number 1 on may 16 1999