<Table> <Tr> <Th_colspan="2"> Blue Bloods (season 7) </Th> </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> CBS </Td> </Tr> <Tr> <Th> Original release </Th> <Td> September 23, 2016 (2016 - 09 - 23)--May 5, 2017 (2017 - 05 - 05) </Td> </Tr> <Tr> <Th_colspan="2"> Season chronology </Th> </Tr> <Tr> <Td_colspan="2"> ← Previous Season 6 Next → Season 8 </Td> </Tr> <Tr> <Td_colspan="2"> List of Blue Bloods episodes </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Blue Bloods (season 7) </Th> </Tr>

How many episodes were in season 7 of blue bloods