Given the task definition, example input & output, solve the new input case.
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.
Example: 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.
Output: How many books are there in the British Library?
In the Article, 10,000,000 is mentioned for the number of books available in the British Library, so this is a good question.

New input case for you: Article: Illustrated Talks at London Canal Museum Illustrated talks are held at 7:30 pm, on the first Thursday of each month except August. Admission to talks and museum is charged at the usual museum admission charges. 3rd September: Protecting our Waterway Heritage by Nigel Crowe. Nigel is the Conservation Adviser to the Canal and River Trust . He undertook a comprehensive survey of the heritage of the waterways when first appointed, and now advises the CRT on its protection. 1st October: The Canal and River Trust by John Dodwell. Founding trustee and long standing waterways enthusiast John Dodwell will detail the Trust's progress to date. He will explain the issues they face and the limits under which they work. 5th November: The work of the Thames Ironworks Heritage Trust by Gavin Redknap. Gavin was one of the founders of the Trust that is working to save and restore some of the few surviving craft built at the Thames Ironworks Yard at the mouth of Bow Creek. The Trust plans to use the fleet of restored one-hundred-year-old lifeboats for community projects on the Lower Lee. 3rd December: The River Thames Society and the River Thames by Peter Finch. Peter, who is Chairman of the River Thames Society, will explain the role and function of the society and then go on to talk about London's river and some of the issues it faces.
Answer: 3rd December.
Output:
When is the talk on the waterways' protection?