Question: George Downer's partner in the legal firm G & J Downer was the Premier of South Australia how many times?
Sentence (from "George Downer"): Alexander George Downer (28 January 1839 – 17 August 1916), usually known as George, or A. G. Downer, was a prominent South Australian businessman and a partner with his brother Sir John Downer in the legal firm G & J Downer.
Relevant evidence: Yes