Question: In 2011, which of the nine official regions of England abolished the Blackburn with Darwen tPCT in April 2013?
{'answer': 'North West England', 'supporting_facts': [['Blackburn with Darwen Teaching Primary Care Trust', 0], ['Blackburn with Darwen Teaching Primary Care Trust', 1], ['Blackburn with Darwen Teaching Primary Care Trust', 2], ['North West England', 0]]}