<Tr> <Td> 11 March </Td> <Td> "Stan" </Td> <Td> Eminem featuring Dido </Td> <Td> </Td> </Tr> <Tr> <Td> 18 March </Td> <Td> "Case of the Ex" </Td> <Td> Mýa </Td> <Td> </Td> </Tr> <Tr> <Td> 25 March </Td> <Td> </Td> </Tr> <Tr> <Td> 1 April </Td> <Td> "It Wasn't Me" </Td> <Td> Shaggy featuring Rikrok </Td> <Td> </Td> </Tr>

What song was number 1 on 4th august 2001