Question: How many times was the politician who was premier of South Australia when William Copley was Minister for Agriculture and Education, premier ?
Sentence (from "John Downer"): Sir John William Downer, KCMG, KC (6 July 1843 – 2 August 1915) was the Premier of South Australia twice, from 16 June 1885 until 11 June 1887 and again from 1892 to 1893.
Relevant evidence: Yes