<Table> <Tr> <Th_colspan="2"> Our Girl </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Military drama </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Tony Grounds </Td> </Tr> <Tr> <Th> Written by </Th> <Td> Tony Grounds </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> <Ul> <Li> David Drury </Li> <Li> Anthony Philipson </Li> <Li> Richard Senior </Li> <Li> Jan Matthys </Li> <Li> Luke Snellin </Li> <Li> Tim Fywell </Li> <Li> Jon Wright </Li> </Ul> </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Lacey Turner </Li> <Li> Michelle Keegan </Li> <Li> Ben Aldridge </Li> <Li> Simon Lennon </Li> <Li> Sean Ward </Li> <Li> Sean Sagar </Li> <Li> Rolan Bell </Li> <Li> Harki Bhambra </Li> <Li> Shalom Brune - Franklin </Li> <Li> Patrick McNamee </Li> </Ul> </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> "War Rages On"--Alex Clare (Series 1) "Hear You Calling"--Birdy (Series 2) "Battlecry"--Jordan Mackampa (Series 3) </Td> </Tr> <Tr> <Th> Composer (s) </Th> <Td> Ben Foster </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> 23 (list of episodes) </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> <Ul> <Li> John Yorke </Li> <Li> Caroline Skinner </Li> </Ul> </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> <Ul> <Li> Ken Horn </Li> <Li> Eric Coulter </Li> </Ul> </Td> </Tr> <Tr> <Th> Production location (s) </Th> <Td> Hertfordshire Camp Bastion Army Training Centre, Pirbright South Africa </Td> </Tr> <Tr> <Th> Editor (s) </Th> <Td> Ben Drury </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 60 minutes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> BBC Studios </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> RLJ Entertainment </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> BBC One </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> 24 March 2013 (2013 - 03 - 24)--present </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Td_colspan="2"> Website </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Our Girl </Th> </Tr>

How many series are there of our girl
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