Did the Chairperson of the National Institute for the Humanities and Social Sciences travel from Johannesburg to Hong Kong on 8 June 2017 and return on 11 June 2017; if not, what is the position in this regard; if so, (a) what was the (i) purpose of the specified visit and (ii) price of the ticket, (b) what was the (i) name and (ii) fee of the travel agency that was used, (c) were the services provided by the specified travel agency the most cost effective travel option taken, (d) did the spending comply with (i) National Treasury cost cutting measures and (ii) the regulations of (aa) her department and (bb) the Auditor-General of South Africa and (e) who approved the trip and payment thereof?