<Tr> <Th> 13 </Th> <Td> </Td> <Td> "What Is Dead May Never Die" </Td> <Td> Alik Sakharov </Td> <Td> Bryan Cogman </Td> <Td> April 15, 2012 (2012 - 04 - 15) </Td> <Td> 3.77 </Td> </Tr> <Tr> <Th> 14 </Th> <Td> </Td> <Td> "Garden of Bones" </Td> <Td> David Petrarca </Td> <Td> Vanessa Taylor </Td> <Td> April 22, 2012 (2012 - 04 - 22) </Td> <Td> 3.65 </Td> </Tr> <Tr> <Th> 15 </Th> <Td> 5 </Td> <Td> "The Ghost of Harrenhal" </Td> <Td> David Petrarca </Td> <Td> David Benioff & D.B. Weiss </Td> <Td> April 29, 2012 (2012 - 04 - 29) </Td> <Td> 3.90 </Td> </Tr> <Tr> <Th> 16 </Th> <Td> 6 </Td> <Td> "The Old Gods and the New" </Td> <Td> David Nutter </Td> <Td> Vanessa Taylor </Td> <Td> May 6, 2012 (2012 - 05 - 06) </Td> <Td> 3.88 </Td> </Tr>

How many episodes are there of game of thrones in series 7