Question: when is the large hadron collider being turned on
[{'answer': '5 April 2015', 'provenance': [{'wikipedia_id': '357353', 'title': 'Large Hadron Collider', 'start_paragraph_id': 68, 'start_character': 3, 'end_paragraph_id': 68, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Operational history.:Run 2: second operational run (2015–2018).\n'}]}, {'provenance': [{'wikipedia_id': '357353', 'title': 'Large Hadron Collider', 'start_paragraph_id': 68, 'start_character': 0, 'end_paragraph_id': 68, 'end_character': 758, 'bleu_score': 0.984789766484456, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2592534824462104722}, 'section': 'Section::::Operational history.:Run 2: second operational run (2015–2018).\n'}]}]