Question: when did the french and indian war officially start
[{'answer': '1754', 'provenance': [{'wikipedia_id': '39062', 'title': 'French and Indian War', 'start_paragraph_id': 1, 'start_character': 27, 'end_paragraph_id': 1, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]