They are looking for an answer surrounding the client team. Ask clarifying questions before answering. They term these teams as pods in the DC region, but they are formed as scrum teams. Solution Owner is not a standard industry term, but this role operates as an interim scrum master, product owner, BA, etc. Engineers, testers/SDETs, architects, BA if available, yourself as PO/SM unless they have someone available to provide coverage if you're not there, security, etc.