Task: Question Generation
Input (English): Passage: In 2001 Warren had a population of 138,976 and reported 63 forcible rapes, 191 aggravated assaults and 559 burglaries. By 2012 the number of rapes had increased by 44% to 91, aggravated assaults had more than doubled to 476, as had burglaries to 999, while the population had declined by 4,600. The city has a high violent crime rate of 532 per 100,000 in 2012, 43% higher than the US national average of 371 per 100,000.
Output (English): How many people was the population in Warren in 2012?