<Tr> <Td> 1966 </Td> <Td> England </Td> <Td> 8 / 7 </Td> <Td> 1,563,135 </Td> <Td> 32 </Td> <Td> 48,848 </Td> <Td> 98,270 </Td> <Td> Wembley Stadium, London </Td> <Td> England 4--2 West Germany, Final </Td> </Tr> <Tr> <Td> 1970 </Td> <Td> Mexico </Td> <Td> 5 / 5 </Td> <Td> 1,603,975 </Td> <Td> 32 </Td> <Td> 50,124 </Td> <Td> 108,192 </Td> <Td> Estadio Azteca, Mexico City </Td> <Td> Mexico 1--0 Belgium, Group stage </Td> </Tr> <Tr> <Td> </Td> <Td> West Germany </Td> <Td> 9 / 9 </Td> <Td> 1,865,753 </Td> <Td> 38 </Td> <Td> 49,099 </Td> <Td> 83,168 </Td> <Td> Olympiastadion, West Berlin </Td> <Td> West Germany 1--0 Chile, Group stage </Td> </Tr> <Tr> <Td> 1978 </Td> <Td> Argentina </Td> <Td> 6 / 5 </Td> <Td> 1,545,791 </Td> <Td> 38 </Td> <Td> 40,679 </Td> <Td> 71,712 </Td> <Td> River Plate Stadium, Buenos Aires </Td> <Td> Italy 1--0 Argentina, Group stage </Td> </Tr>

Where are the semifinals of the world cup being held