<Table> <Tr> <Th_colspan="2"> 114th United States Congress </Th> </Tr> <Tr> <Td_colspan="2"> 113th ← → 115th </Td> </Tr> <Tr> <Td_colspan="2"> U.S. Capitol (September 2015) </Td> </Tr> <Tr> <Th_colspan="2"> January 3, 2015--January 3, 2017 </Th> </Tr> <Tr> <Th> Senate President </Th> <Td> Joe Biden (D) </Td> </Tr> <Tr> <Th> Senate Pres . pro tem </Th> <Td> Orrin Hatch (R) </Td> </Tr> <Tr> <Th> House Speaker </Th> <Td> John Boehner (R) until October 29, 2015 Paul Ryan (R) from October 29, 2015 </Td> </Tr> <Tr> <Th> Members </Th> <Td> 100 senators 435 representatives 6 non-voting delegates </Td> </Tr> <Tr> <Th> Senate Majority </Th> <Td> Republican </Td> </Tr> <Tr> <Th> House Majority </Th> <Td> Republican </Td> </Tr> <Tr> <Th_colspan="2"> Sessions </Th> </Tr> <Tr> <Td_colspan="2"> 1st: January 6, 2015--December 18, 2015 2nd: January 4, 2016--January 3, 2017 </Td> </Tr> </Table> <Tr> <Th_colspan="2"> 114th United States Congress </Th> </Tr>

Which party holds the majority in the house of representatives