<Table> <Tr> <Th_colspan="2"> "Iron Man" </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Single by Black Sabbath </Th> </Tr> <Tr> <Th_colspan="2"> from the album Paranoid </Th> </Tr> <Tr> <Th> B - side </Th> <Td> "Electric Funeral" </Td> </Tr> <Tr> <Th> Released </Th> <Td> October 1971 </Td> </Tr> <Tr> <Th> Format </Th> <Td> 45 RPM </Td> </Tr> <Tr> <Th> Recorded </Th> <Td> 1970 </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Heavy metal </Td> </Tr> <Tr> <Th> Length </Th> <Td> 3: 33 (Single version) 5: 56 (Album version) </Td> </Tr> <Tr> <Th> Label </Th> <Td> Warner Bros. (US / Canada) </Td> </Tr> <Tr> <Th> Songwriter (s) </Th> <Td> Iommi, Osbourne, Butler, Ward </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> Rodger Bain </Td> </Tr> <Tr> <Th_colspan="2"> Black Sabbath singles chronology </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> "Children of the Grave" (1971) </Td> <Td> "Iron Man" (1971) </Td> <Td> "Tomorrow's Dream" (1972) </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> "Children of the Grave" (1971) </Td> <Td> "Iron Man" (1971) </Td> <Td> "Tomorrow's Dream" (1972) </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Paranoid track listing </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> "Planet Caravan" (3) </Td> <Td> "Iron Man" (4) </Td> <Td> "Electric Funeral" (5) </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> "Iron Man" </Th> </Tr>

When did iron man by black sabbath come out