<Table> <Tr> <Th_colspan="2"> Doctor Foster </Th> </Tr> <Tr> <Th> Genre </Th> <Td> Drama </Td> </Tr> <Tr> <Th> Written by </Th> <Td> Mike Bartlett </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Suranne Jones </Li> <Li> Bertie Carvel </Li> <Li> Robert Pugh </Li> <Li> Adam James </Li> <Li> Jodie Comer </Li> </Ul> </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> "Fly" by Ludovico Einaudi </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United Kingdom </Td> </Tr> <Tr> <Th> Original language (s) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of series </Th> <Td> </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 7 </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> <Ul> <Li> Roanna Benn </Li> <Li> Greg Brenman </Li> <Li> Jude Liknaitzky </Li> <Li> Matthew Read </Li> </Ul> </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 60 minutes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> Drama Republic </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> <Ul> <Li> BBC One </Li> <Li> BBC One HD </Li> </Ul> </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> 16: 9 1080i </Td> </Tr> <Tr> <Th> Audio format </Th> <Td> Stereo </Td> </Tr> <Tr> <Th> Original release </Th> <Td> 9 September 2015 (2015 - 09 - 09)--present </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Th> Website </Th> <Td> www.bbc.co.uk/programmes/p02z7zgj </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Doctor Foster </Th> </Tr>

How many episodes of doctor foster are there