Question: who scored the winning goal in united's efl cup final victory over southampton last season
[{'answer': 'Ibrahimović', 'provenance': [{'wikipedia_id': '52603745', 'title': '2017 EFL Cup Final', 'start_paragraph_id': 5, 'start_character': 625, 'end_paragraph_id': 5, 'end_character': 636, 'bleu_score': 1.0, 'section': 'Section::::Route to the final.:Manchester United.\n'}]}, {'provenance': [{'wikipedia_id': '52603745', 'title': '2017 EFL Cup Final', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 588, 'bleu_score': 0.9810405040225261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3715846668467138998}, 'section': 'Section::::Match.:Summary.\n'}]}]