Did the National Institute for the Humanities and Social Sciences use the services of a certain company (name furnished) on 5 July 2017, to travel from 12 East Road Observatory in Johannesburg to Kievits Kroon in Pretoria; if not, what is the position in this regard; if so, (a) what (i) was the cost of each trip and (ii) are the details of those transported, (b) was the service provided by the specified company the cheapest travel option taken, (c) did the spending comply with the cost cutting measures and regulations of (i) the National Treasury, (ii) her department and (iii) the Auditor-General of South Africa and (d) who approved the trip and payment?