Question: For which political party does Mark Christopher Butler represent an electoral division in the state of South Australia, which includes Torrens Island and Garden Island?
Sentence (from "Division of Port Adelaide"): Suburbs include Alberton, Beverley, Birkenhead, Cheltenham, Findon, Kilkenny, Largs Bay, Mansfield Park, North Haven, Ottoway, Parafield Gardens, Paralowie, Pennington, Port Adelaide, Queenstown, Rosewater, Salisbury Downs, Semaphore, Woodville, West Croydon, and part of Seaton.
Relevant evidence: No