Instructions: This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
Input: In 1988 Imperial merged with St Mary's Hospital Medical School, becoming The Imperial College of Science, Technology and Medicine. In 1995 Imperial launched its own academic publishing house, Imperial College Press, in partnership with World Scientific. Imperial merged with the National Heart and Lung Institute in 1995 and the Charing Cross and Westminster Medical School, Royal Postgraduate Medical School (RPMS) and the Institute of Obstetrics and Gynaecology in 1997. In the same year the Imperial College School of Medicine was formally established and all of the property of Charing Cross and Westminster Medical School, the National Heart and Lung Institute and the Royal Postgraduate Medical School were transferred to Imperial as the result of the Imperial College Act 1997. In 1998 the Sir Alexander Fleming Building was opened by Queen Elizabeth II to provide a headquarters for the College's medical and biomedical research.
Output:
In which year did Imperial merge with St Mary's Hospital Medical School?