Context: The first BeiDou system, officially called the BeiDou Satellite Navigation Experimental System (simplified Chinese: 北斗卫星导航试验系统; traditional Chinese: 北斗衛星導航試驗系統; pinyin: Běidǒu wèixīng dǎoháng shìyàn xìtǒng) and also known as BeiDou-1, consists of three satellites and offers limited coverage and applications. It has been offering navigation services, mainly for customers in China and neighboring regions, since 2000.

Question: What was the first BeiDou system called?
Answer: the BeiDou Satellite Navigation Experimental System

Question: Who does the BeiDou-1 operate for?
Answer: mainly for customers in China and neighboring regions

Question: What is another name for the BeiDou Satellite Navigation Experimental System?
Answer: BeiDou-1

Question: How many satellites does the BeiDou-1 have?
Answer: three

Question: How long has the BeiDou-1 been operating?
Answer: since 2000

Question: Which system has been offering services to customers in China since 1997?
Answer: Unanswerable

Question: What system is also known as BeiDou-2?
Answer: Unanswerable

Question: BeiDou-1 consists of 7 satellites and offers what? 
Answer: Unanswerable

Question: What system offers services to customers in and around Peru?
Answer: Unanswerable