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?

Related documents: [0]  [DOC] Mark Christopher Butler (born 8 July 1970) is an Australian politician, representing the electoral division of Port Adelaide in the Commonwealth Parliament since 2007. He is the Federal President and a member of the Australian Labor Party. [END] 
[1]  [DOC] The Division of Port Adelaide is an Australian electoral division in the state of South Australia. The 181 km² seat extends from St Kilda in the north to Grange Road and Findon in the south with part of Salisbury to the east. 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. The seat also includes Torrens Island and Garden Island. [END]  
Answer: Australian Labor Party
Australian Labor Party