Question: The eastern terminus of Grand Junction Road is in the suburb of Hope Valley, at the intersection of Hancock Road and Lower North East Road, just before the latter proceeds into the Adelaide Hills, past a park managed by a what volunteer group? 
Sentence (from "Rosewater, South Australia"): Rosewater is split in half by Grand Junction Road and bordered on the east by Addison and on the south by Torrens Road.
Relevant evidence: No