<Tr> <Th> 2003--04 </Th> <Td> UEFA Champions League </Td> <Td> 10 </Td> <Td> 5 </Td> <Td> </Td> <Td> </Td> <Td> 16 </Td> <Td> 11 </Td> <Td> + 5 </Td> <Td> R5! QF </Td> </Tr> <Tr> <Th> 2004--05 </Th> <Td> UEFA Champions League </Td> <Td> 8 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 13 </Td> <Td> 9 </Td> <Td> + 4 </Td> <Td> R4! R16 </Td> </Tr> <Tr> <Th> 2005--06 </Th> <Td> UEFA Champions League </Td> <Td> 13 </Td> <Td> 8 </Td> <Td> </Td> <Td> </Td> <Td> 15 </Td> <Td> </Td> <Td> + 11 </Td> <Td> RU </Td> </Tr> <Tr> <Th> 2006--07 </Th> <Td> UEFA Champions League </Td> <Td> 10 </Td> <Td> 5 </Td> <Td> </Td> <Td> </Td> <Td> 13 </Td> <Td> 6 </Td> <Td> + 7 </Td> <Td> R4! R16 </Td> </Tr>

When was the last time arsenal won the uefa champions league