<Tr> <Th_colspan="2"> Grace and Frankie </Th> </Tr> <Tr> <Th> Genre </Th> <Td> Comedy </Td> </Tr> <Tr> <Th> Created by </Th> <Td> <Ul> <Li> Marta Kauffman </Li> <Li> Howard J. Morris </Li> </Ul> </Td> </Tr> <Ul> <Li> Marta Kauffman </Li> <Li> Howard J. Morris </Li> </Ul>

When was grace and frankie season 4 filmed