Question: what percentage of the world's energy comes from renewable sources
[{'answer': '22 percent', 'provenance': [{'wikipedia_id': '9058630', 'title': 'World energy consumption', 'start_paragraph_id': 57, 'start_character': 94, 'end_paragraph_id': 57, 'end_character': 104, 'bleu_score': 1.0, 'section': 'Section::::By source.:Renewable energy.\n'}]}, {'provenance': [{'wikipedia_id': '9058630', 'title': 'World energy consumption', 'start_paragraph_id': 57, 'start_character': 0, 'end_paragraph_id': 57, 'end_character': 1250, 'bleu_score': 0.9759444845292861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8789448394126516212}, 'section': 'Section::::By source.:Renewable energy.\n'}]}]