<Tr> <Td> Western </Td> <Td_colspan="2"> Mid-Western </Td> <Td_colspan="2"> Bendel </Td> <Td_colspan="2"> Delta </Td> </Tr> <Tr> <Td_colspan="2"> Edo </Td> </Tr> <Tr> <Td> Western </Td> <Td_colspan="5"> Lagos </Td> </Tr> <Tr> <Td> Western </Td> <Td_colspan="4"> Ogun </Td> </Tr>

Who brought about the 36 state structure of nigeria