Answer the following Q with stream of consciousness. Context: Shimla is on the south-western ranges of the Himalayas at 31 ° 37 ′ N 77 ° 06 ′ E ﻿ / ﻿ 31.61 ° N 77.10 ° E ﻿ / 31.61; 77.10. It has an average altitude of 2,206 metres (7,238 ft) above mean sea level and extends along a ridge with seven spurs. The city stretches nearly 9.2 kilometres (5.7 mi) from east to west. Shimla was built on top of seven hills: Inverarm Hill, Observatory Hill, Prospect Hill, Summer Hill, Bantony Hill, Elysium Hill and Jakhoo Hill. The highest point in Shimla is the Jakhoo hill, which is at a height of 2,454 metres (8,051 ft).\n\nQuestion: shimla is built on the top of how many hills?
User
The relevant sentence in the passage is: It has an average altitude of 2,206 metres (7,238 ft) above mean sea level and extends along a ridge with seven spurs. Therefore, the final answer is seven.
Assistant