<Table> <Tr> <Th_colspan="2"> Once Upon a Time (season 6) </Th> </Tr> <Tr> <Td_colspan="2"> DVD cover </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Ginnifer Goodwin </Li> <Li> Jennifer Morrison </Li> <Li> Lana Parrilla </Li> <Li> Josh Dallas </Li> <Li> Emilie de Ravin </Li> <Li> Colin O'Donoghue </Li> <Li> Jared S. Gilmore </Li> <Li> Rebecca Mader </Li> <Li> Robert Carlyle </Li> </Ul> </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 22 </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> ABC </Td> </Tr> <Tr> <Th> Original release </Th> <Td> September 25, 2016 (2016 - 09 - 25)--May 14, 2017 (2017 - 05 - 14) </Td> </Tr> <Tr> <Th_colspan="2"> Season chronology </Th> </Tr> <Tr> <Td_colspan="2"> ← Previous Season 5 Next → Season 7 </Td> </Tr> <Tr> <Td_colspan="2"> List of Once Upon a Time episodes </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Once Upon a Time (season 6) </Th> </Tr>

How many episodes are in season 6 of once upon a time