Given that Medico-legal claims of more than R20 billion in Gauteng at present are concerning, (a)(i) which healthcare facilities account for most of the specified claims and (ii) what steps has he and/or his department taken to intervene in such healthcare facilities, (b) how has he found that the intervention steps have improved the situation and (c)(i) what is the nature of the majority of claims and (ii) how are they resolvable in the long term?