In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

The Boat Race is an annual rowing race between the Oxford University Boat Club and the Cambridge University Boat Club, rowed between men's open-weight eights on the River Thames in London, England. It is also known as the University Boat Race and the Oxford and Cambridge Boat Race. Question: The great grandson of the Liberal prime minister William Ewart Gladstone, and brother of Sir William Gladstone, competed in what event between Oxford University and Cambridge University on the River Thames? Answer: The Boat Race
The Boat Race is an annual rowing race between the Oxford University Boat Club and the Cambridge University Boat Club, rowed between mens openweight eights on the River Thames in London, England.