Question: when did the troubles begin in northern ireland
[{'answer': 'in the late 1960s', 'provenance': [{'wikipedia_id': '30770', 'title': 'The Troubles', 'start_paragraph_id': 1, 'start_character': 248, 'end_paragraph_id': 1, 'end_character': 265, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30770', 'title': 'The Troubles', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 508, 'bleu_score': 0.796053679105144, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3041656641190115428}, 'section': 'Section::::Abstract.'}]}]