Question: What is the name of 27-storey mansion on Altamount Road that has a staff of 600 to maintain it?
Sentence (from "Altamount Road"): On Altamont Road are the consulates of Indonesia (No. 19) and of South Africa (bungalow 20); on the connecting Carmichael Road are the Belgian, Chinese, and Japanese consulates.
Relevant evidence: No