This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

Example Input: Passage: French historians traditionally place the Enlightenment between 1715, the year that Louis XIV died, and 1789, the beginning of the French Revolution. Some recent historians begin the period in the 1620s, with the start of the scientific revolution. The Philosophes, the French term for the philosophers of the period, widely circulated their ideas through meetings at scientific academies, Masonic lodges, literary salons and coffee houses, and through printed books and pamphlets. The ideas of the Enlightenment undermined the authority of the monarchy and the church, and paved the way for the revolutions of the 18th and 19th centuries. A variety of 19th-century movements, including liberalism and neo-classicism, trace their intellectual heritage back to the Enlightenment. Question: What year did the Enlightenment begin according to French historians?
Example Output: 1715

Example Input: Passage: Crystal Bowersox, who has Type-I diabetes, fell ill due to diabetic ketoacidosis on the morning of the girls performance night for the top 20 week and was hospitalized. The schedule was rearranged so the boys performed first and she could perform the following night instead; she later revealed that Ken Warwick, the show producer, wanted to disqualify her but she begged to be allowed to stay on the show. Question: What was changed so she could still qualify?
Example Output: The schedule

Example Input: Passage: This clash of opinions has sparked much controversy. For example, during the drafting of the European Constitution in 2004, the Spanish government supplied the EU with translations of the text into Basque, Galician, Catalan, and Valencian, but the latter two were identical. Question: What has produced a great deal of controversy?
Example Output:
clash of opinions