Your question is Spatial Schema With Versioning. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Explain how you would structure a database schema to support fast spatial queries and version control for property measurements in Hover.
Discuss the entities, spatial data types, indexes, relationships, and versioning strategy you would choose. Explain how you would handle historical revisions, concurrent updates, data integrity, query performance, and migrations, and identify the trade-offs in your design.