'Station 19' is a spin-off of which TV series?

'Young Sheldon' is a spin-off of which TV series? 'NCIS' is a spin-off of which TV series? 'CSI: Miami' is a spin-off of which TV series? 'Private Practice' is a spin-off of which TV series? 'The Cleveland Show' is a spin-off of which TV series? 'Daria' is a spin-off of which TV series? 'Girl Meets World' is a spin-off of which TV series? 'That '90s Show' is a spin-off of which TV series?