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: US chat show queen Oprah Winfrey surprised 300 members of her audience by saying she would send them on a trip to Australia in December.Winfrey will also film an episode of her show at the Sydney "Oprah" House. The Australian government said it was spending AUS$ 3 million to help bring The Oprah Winfrey Show to the country. Tourism Minister Martin Ferguson insisted it was money well spent as it would put Australia in the spotlight,with the popular TV show watched by 40 million Americans and screened in 145 countries."Oprah is a famous name and she has the power to improve Australia's image as an important tourist country," he said in a statement. Winfrey made the announcement on Monday.After telling the audience that she might take them on a trip to New York,Philadelphia or Los Angeles,she said her last season would provide something "bigger". "I started to think about where I would most want to go.Maybe I should take all of you with me to the other side of the world.We're going to Australia!"she said. Several episodes will be filmed during the trip,which had been planned for almost a year and will take in beaches,Sydney Harbour and so on.It marks the first time that the show will be filmed with its US audience outside North America.The Australian trip follows a similar act in 2004 when Winfrey gave a car to each member of her audience. Winfrey is to start her own television channel ,the Oprah Winfrey Network,in 2011,at the age of her 57.
Answer: To develop Australia's tourism.
Solution:
What 's the Australian government's aim in inviting Oprah Winfrey?