Definition: This task is about creating an unanswerable question based on a given passage. Construct a question that looks relevant to the given context but is unanswerable. Following are a few suggestions about how to create unanswerable questions:
(i) create questions which require satisfying a constraint that is not mentioned in the passage
(ii) create questions which require information beyond what is provided in the passage in order to answer
(iii) replace an existing entity, number, date mentioned in the passage with other entity, number, date and use it in the question
(iv) create a question which is answerable from the passage and then replace one or two words by their antonyms or insert/remove negation words to make it unanswerable.
Input: Passage: The Oppidan Houses are named Godolphin House, Jourdelay's, (both built as such c. 1720), Hawtrey House, Durnford House, (the first two built as such by the Provost and Fellows, 1845, when the school was increasing in numbers and needed more centralised control), The Hopgarden, South Lawn, Waynflete, Evans's, Keate House, Warre House, Villiers House, Common Lane House, Penn House, Walpole House, Cotton Hall, Wotton House, Holland House, Mustians, Angelo's, Manor House, Farrer House, Baldwin's Bec, The Timbralls, and Westbury.
Output:
Who built Godolphin House?