<Table> Field hockey <Tr> <Td_colspan="2"> A 2005 men's field hockey international game between Argentina and Pakistan </Td> </Tr> <Tr> <Th> Highest governing body </Th> <Td> International Hockey Federation </Td> </Tr> <Tr> <Th> First played </Th> <Td> 19th century, England </Td> </Tr> <Tr> <Th_colspan="2"> Characteristics </Th> </Tr> <Tr> <Th> Contact </Th> <Td> Limited </Td> </Tr> <Tr> <Th> Team members </Th> <Td> 11 field players </Td> </Tr> <Tr> <Th> Type </Th> <Td> outdoor and indoor </Td> </Tr> <Tr> <Th> Equipment </Th> <Td> Hockey ball, hockey stick, mouthguard, shinguards </Td> </Tr> <Tr> <Th_colspan="2"> Presence </Th> </Tr> <Tr> <Th> Olympic </Th> <Td> 1908, 1920, 1928--present </Td> </Tr> </Table> <Tr> <Td_colspan="2"> A 2005 men's field hockey international game between Argentina and Pakistan </Td> </Tr>

How many players in a field hockey team