Question: What Dutch engineer's pumped water supply system was connected to a bridge that spans the River Thames between the City of London and Southwark?
Sentence (from "Little Falls Dam (Potomac River)"): Little Falls Dam, also known as Brookmont Dam, is a low dam on the Potomac River, built in 1959 to divert water for the water supply system of Washington, D.C., just below Mather Gorge, about 2 mi above Chain Bridge.
Relevant evidence: No