Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.

Example Input: The President of the European Parliament (Parliament's speaker) is Martin Schulz (S&D), elected in January 2012.
Example Output: Who led European Parliament?

Example Input: Jonas Valanciunas (Lithuanian pronunciation: (jons vntuns); born 6 May 1992) is a Lithuanian professional basketball player for the Toronto Raptors of the National Basketball Association (NBA).
Example Output: What team is Jonas Valančiūnas on?

Example Input: MPEG-4 Part 14 is an instance of the more general ISO/IEC 14496-12:2004 (MPEG-4 Part 12: ISO base media file format) which is directly based upon the QuickTime File Format.
Example Output:
Which is the basis of MPEG-4 Part 14?