Question: what trophies did man u win last season
[{'answer': 'EFL Cup', 'provenance': [{'wikipedia_id': '50319395', 'title': '2016–17 Manchester United F.C. season', 'start_paragraph_id': 1, 'start_character': 387, 'end_paragraph_id': 1, 'end_character': 394, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Community Shield', 'provenance': [{'wikipedia_id': '50319395', 'title': '2016–17 Manchester United F.C. season', 'start_paragraph_id': 1, 'start_character': 193, 'end_paragraph_id': 1, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'UEFA Europa League', 'provenance': [{'wikipedia_id': '50319395', 'title': '2016–17 Manchester United F.C. season', 'start_paragraph_id': 1, 'start_character': 563, 'end_paragraph_id': 1, 'end_character': 581, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]