Definition: In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
Input: As of March 2017, IR's rolling stock consisted of 277,987 freight wagons, 70,937 passenger coaches and 11,452 locomotives. IR owns locomotive and coach-production facilities at several locations in India.
Output:
total number of passenger coaches in indian railways