Question: Karl Camillo Schmidt-Hellerau, was a German carpenter, furniture manufacturer and social reformer, and is notable as the founder of Hellerau, Germany, by which method of urban planning in which self-contained communities are surrounded by "greenbelts", containing proportionate areas of residences, industry, and agriculture?
Sentence (from "Garden city movement"): The garden city movement is a method of urban planning in which self-contained communities are surrounded by "greenbelts", containing proportionate areas of residences, industry, and agriculture.
Relevant evidence: Yes