<Table> <Tr> <Th_colspan="2"> 1967 NBA draft </Th> </Tr> <Tr> <Th_colspan="2"> General information </Th> </Tr> <Tr> <Th> Date (s) </Th> <Td> May 3, 1967 (Rounds 1--11) May 4, 1967 (Rounds 12--20) </Td> </Tr> <Tr> <Th> Location </Th> <Td> New York City, New York </Td> </Tr> <Tr> <Th> First selection </Th> <Td> Jimmy Walker, Detroit Pistons </Td> </Tr> <Tr> <Td_colspan="2"> ← 1966 NBA draft 1968 → </Td> </Tr> <Tr> <Td_colspan="2"> 1967 NBA expansion draft </Td> </Tr> </Table> <Tr> <Th_colspan="2"> 1967 NBA draft </Th> </Tr>

Who was the number 1 pick in the 1967 nba draft