Question: When did the office held by Donald Tsang from 2005 to 2012 come into being?
Sentence (from "Donald Tsang"): Donald Tsang Yam-kuen {'1': ", '2': ", '3': ", '4': "} (; born 7 October 1944) is a former Hong Kong civil servant and the second Chief Executive of Hong Kong from 2005 to 2012.
Relevant evidence: Yes