Question: What was the population of one of the suburbs of Melbourne that this steam era railway line ran through?
Sentence (from "Inner Circle railway line"): At its closure, it ran from Royal Park station on the Upfield line (Melway map ref: 29 F11) in the west, to a triangular junction with Rushall and Merri stations on today's South Morang line in the east.
Relevant evidence: No