Question: What was the ancestral home of the Trafford family, that had a manager who was an English transport engineer who began his working life developing and building gas-powered trams?
Sentence (from "Hector Hercules Bell"): Under Bell, the MMTB converted the remaining cable trams to electric trams or buses, increased the MMTB's usage of buses, and work towards modernising the tram system, while returning strong surpluses.
Relevant evidence: No