Question: What was the population in the 2011 census of the town that is connected to the towns of Birdwood, Woodside, Balhannah, Hahndorf, and Meadows by Onkaparinga Valley Road?
Sentence (from "Rawson, Victoria"): Rawson is a town in Victoria, Australia, located on Tyers - Thomson Valley Road, in the Shire of Baw Baw.
Relevant evidence: No