<Tr> <Td_colspan="3"> Total votes </Td> <Td> 159,144 </Td> <Td> 100.00 </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> Democratic hold </Td> </Tr> <Table> Arizona's 7th Congressional District House Election, 2012 <Tr> <Th_colspan="2"> Party </Th> <Th> Candidate </Th> <Th> Votes </Th> <Th>% </Th> <Th> ± </Th> </Tr> <Tr> <Td> </Td> <Td> Democratic </Td> <Td> Ed Pastor * </Td> <Td> 104,489 </Td> <Td> 81.74% </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Libertarian </Td> <Td> Joe Cobb </Td> <Td> 23,338 </Td> <Td> 18.26% </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="3"> Majority </Td> <Td> 81,151 </Td> <Td> 63.48% </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="3"> Total votes </Td> <Td> 127,827 </Td> <Td> 100.00 </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="4"> Democratic hold </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Party </Th> <Th> Candidate </Th> <Th> Votes </Th> <Th>% </Th> <Th> ± </Th> </Tr>

Who represents the arizona 5th district in the u.s. house of representatives