Question: Which canal, the North Shore Channel or the Eastside Canal, originates from a common diversion at Manor Street in Bakersfield, which also serves the Carrier Canal and Kern Island Canal?   
Sentence (from "North Shore Channel"): The North Shore Channel is a drainage canal built between 1907 and 1910 to flush the sewage-filled North Branch of the Chicago River down the Chicago Sanitary and Ship Canal.
Relevant evidence: Yes