Question: What is the name of 27-storey mansion on Altamount Road that has a staff of 600 to maintain it?
Context: Caemorgan is a road (Heol) in Ceredigion, Wales.  It means Morgans Field and is the name of the road outside Cardigan off the A487.  This road has a Mansion named Caemorgan Mansion to which Caemorgan Cottage is attached. Kemps Corner is an upmarket neighbourhood in South Mumbai.  It is flanked by the Altamount Road on one side and the Malabar Hill on the other.  It lies at the crossroads of Breach Candy, Warden Road, Peddar Road and Nepean Sea Road. The Atwood-Blauvelt mansion is a historic residential building built in 1897 and home to the Hiram Blauvelt Art Museum.  It is located on Kinderkamack Road in Oradell, Bergen County, New Jersey, in the United States.  The mansion is a prominent example of shingle style architecture, which was popular in the United States in the late 19th Century.  The Atwood-Blauvelt mansion takes its name from original owner, Kimball Chase Atwood, and from its second owner, Elmer Blauvelt who bought it in 1926. Winkburn Hall is a Grade I listed country house which stands at the corner of an estate a few miles north-east of Southwell, Nottinghamshire, off the Hockerton to Kirklington road.  It was built for the Burnell family circa 1700 as a two-storey mansion in red brick with ashlar dressing and a hipped slate roof.  The original mansard roof has since been converted to an additional third storey. Kalpana Shah (born 30 November 1948) is an Indian sari draper, stylist, author, and entrepreneur.  She resides at Altamount Road, Mumbai, India.  She has practiced the art of sari draping since 1985.  She gives sari draping lessons and workshops and drapes saris for formal events. Antilia is a private home in South Mumbai, India.  It is owned by Mukesh Ambani, Chairman of Reliance Industries, which includes a staff of 600 to maintain the residence 24/7. Kiu Kwan Mansion () is a 27-storey, 95 m residential skyscraper at 395 King's Road, North Point in Hong Kong.  When it topped out in 1966, it was the tallest building in Greater China, surpassing Park Hotel Shanghai, which held the title for 32 years. Lodha Altamount is a project of the Lodha Group and is situated at Altamount Road.  This development is under Lodha Group’s Luxury Collection.  Altamount road is ranked as the 10th most expensive street in the world.  Lodha Group acquired the area from the US consulate for Rs 375 crore surpassing the bids made by Mahindra Lifespaces and TATA Housing.  The previously existing Washington House, home to US Consul General was a three-storeyed building, covering an area of 2702 square meters.  It falls under the Coastal Regulation Zone 2 and is listed as Grade 3 Property. Castle Hill refers to either a 165 acre drumlin surrounded by sea and salt marsh or to the mansion that sits on the hill.  Both are part of the 2100 acre Crane Estate located on Argilla Road in Ipswich, Massachusetts.  The former summer home of Mr. and Mrs. Richard T. Crane, Jr., the estate includes a historic mansion, 21 outbuildings, and designed landscapes overlooking Ipswich Bay, on the seacoast off Route 1, north of Boston.  Its name derives from a promontory in Ipswich, Suffolk, England, whence many early Massachusetts Bay Colony settlers immigrated, and predates the Crane mansion. Altamount Road or Altamont Road "(more correctly)" is an upmarket residential street in South Mumbai, parallel to Pedder Road which it meets at the well-known intersection called Kemp's Corner.  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.  The road has been in the news in recent times because of the completed construction of the costliest home in the world, Antilia, a 27-storey mansion by the Indian industrialist, Mukesh Ambani.  Recently it has been rated as the 10th most affluent street in the world.
Answer: Antilia