Question: who was the first civilization in the world
[{'answer': 'Palaeolithic Era', 'provenance': [{'wikipedia_id': '435268', 'title': 'History of the world', 'start_paragraph_id': 2, 'start_character': 78, 'end_paragraph_id': 2, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '435268', 'title': 'History of the world', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 655, 'bleu_score': 0.8277824770138311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4279915988009724611}, 'section': 'Section::::Abstract.'}]}]