(1) Whether, with reference to his reply to question 2649 on 18 August 2015, he has any scientific facts at hand which prove that English as a medium of instruction will offer all persons access to institutions of higher education, given that there are many areas in the country where the persons are not at all proficient or have very poor communication skills in English; (2) whether he will endeavour to protect all the indigenous official languages, including Afrikaans, against the dominant nature of English in order to prevent English from eventually displacing the other languages, which will lead to entirely English-speaking institutions of higher education, as is the case with the University of Johannesburg; if not, why not; if so, what are the relevant details?