Question: when did the european union start and for what main reason
[{'answer': '1 November 1993', 'provenance': [{'wikipedia_id': '39767', 'title': 'History of the European Union', 'start_paragraph_id': 30, 'start_character': 3, 'end_paragraph_id': 30, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::1993–2004: Creation.\n'}]}, {'provenance': [{'wikipedia_id': '39767', 'title': 'History of the European Union', 'start_paragraph_id': 30, 'start_character': 0, 'end_paragraph_id': 30, 'end_character': 740, 'bleu_score': 0.9823771291847391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6735653665271500684}, 'section': 'Section::::1993–2004: Creation.\n'}]}]