Question: when did the war in north africa start
[{'answer': '10 June 1940', 'provenance': [{'wikipedia_id': '493688', 'title': 'North African campaign', 'start_paragraph_id': 1, 'start_character': 83, 'end_paragraph_id': 1, 'end_character': 95, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '493688', 'title': 'North African campaign', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 314, 'bleu_score': 0.9632870032952191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7936248549071149614}, 'section': 'Section::::Abstract.'}]}]