Detailed Instructions: In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.
See one example below:
Problem: Article: There are a lot of public libraries in Britain. These libraries have more than one hundred and fifteen million books, not including those libraries of public schools. Public libraries not only lend books, music records but also help children, patients in hospitals and others to get special play readings, film shows and so on. The first public libraries were founded in about the year 1850. Today's public libraries usually have a reading-room, a lending room and a reference room. The greatest and most famous library in Britain is that of the British Library in London. It was founded in 1973 and has over 10, 000, 000 books. It has nearly every magazine, newspaper and book published in Britain and other parts across the world.
Answer: 10,000,000 or less.
Solution: How many books are there in the British Library?
Explanation: In the Article, 10,000,000 is mentioned for the number of books available in the British Library, so this is a good question.

Problem: Article: Nowadays, pollution is becoming worse and worse. A starry night seems to be a luxury for people living in cities. Is there any ideal place for stargazers ? A small town in New Zealand is here to surprise you with its breathtaking starry night sky. Lake Tekapo is located at the heart of New Zealand's South Island. It has been a popular tourist destination for stargazers. At night, innumerable stars dot the sky above the small town. The Milky Way and various constellations can be clearly seen. Visitors can also watch meteors shooting across the sky. For people living in big cities, these can only be seen in movies or fairytales. Though stargazing is common for people in Lake Tekapo, the local people have paid great attention to protecting their starry night sky. After midnight, all landscape lights must be turned off. In 2005, Lake Tekapo's starry night sky was even listed as a world heritage . Besides its starry sky, the town has many other things to offer. One of them is the flower, Russell Lupin. Every summer, Russell Lupins make Lake Tekapo more attractive. However, once the Russell Lupins die off, the banks of Lake Tekapo look bare. After reading the above introduction of Lake Tekapo, you must envy the local people a lot, because they can see the starry sky every night and appreciate the beauty of Russell Lupin every summer. If you are interested in Lake Tekapo, why not go and visit it this coming summer vacation?
Answer: To observe its starry night sky
Solution:
Why do people go to Lake Tekapo according to the passage?