<Table> <Tr> <Th> #</Th> <Th> Picture </Th> <Th> Name (Born--Died) </Th> <Th> Took office </Th> <Th> Left office </Th> <Th> Political Party </Th> </Tr> <Tr> <Th_colspan="6"> Prime Minister of the Federation of Nigeria </Th> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Abubakar Tafawa Balewa (1912--1966) </Td> <Td> 1 October 1960 </Td> <Td> 1 October 1963 </Td> <Td> Northern People's Congress </Td> </Tr> <Tr> <Th_colspan="6"> Prime Minister of the Federal Republic of Nigeria </Th> </Tr> <Tr> <Th> (1) </Th> <Td> </Td> <Td> Abubakar Tafawa Balewa (1912--1966) </Td> <Td> 1 October 1963 </Td> <Td> 15 January 1966 (Assassinated) </Td> <Td> Northern People's Congress </Td> </Tr> <Tr> <Td_colspan="6"> Post abolished (15 January 1966--4 January 1993) </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Ernest Shonekan (1936--) </Td> <Td> 4 January 1993 </Td> <Td> 26 August 1993 </Td> <Td> Independent </Td> </Tr> <Tr> <Td_colspan="6"> Post abolished (26 August 1993--Present) </Td> </Tr> </Table> <Tr> <Th> #</Th> <Th> Picture </Th> <Th> Name (Born--Died) </Th> <Th> Took office </Th> <Th> Left office </Th> <Th> Political Party </Th> </Tr> <Tr> <Th_colspan="6"> Prime Minister of the Federation of Nigeria </Th> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Abubakar Tafawa Balewa (1912--1966) </Td> <Td> 1 October 1960 </Td> <Td> 1 October 1963 </Td> <Td> Northern People's Congress </Td> </Tr>

Who was the first and only prime minister of nigeria