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.
One example is below.
Q: 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.
A: How many books are there in the British Library?
Rationale: In the Article, 10,000,000 is mentioned for the number of books available in the British Library, so this is a good question.
Q: Article: Harriet Tubman was an AfricanAmerican woman who fought against slavery. She was born in 1820. She helped many people escape from slavery through the Underground Railroad. It was an organized effort to help slaves from the southern states to areas that banned slavery. Slaves could be sold freely. Families were often separated. Harriet married a free black man named John Tubman in 1844, yet she remained a slave. In 1849, the farmer who owned her died. Then she ran to the home of a white woman who had offered to help her. This woman told her how to reach another home where she could hide. Harriet Tubman went from place to place in this way. This was how the Underground Railroad operated. Finally,she went into the northern state of Pennsylvania. During the next ten years,she led an expanded Underground Railroad,and helped 300 slaves escape. Harriet Tubman found another way to fight against slavery during the Civil War. She went into the southern states to spy for the North. After the Civil War,Harriet Tubman settled in New York State. She gave speeches to raise money for better education for black Americans, worked for women's rights and sought help for older adults who had been slaves. Harriet Tubman died in 1913.By that time, she had been recognized as an American heroine .
Answer: Harriet's fight against slavery.
A:
What does the passage mainly tell us?