Question: where were the early centers of crop domestication
[{'answer': 'Fertile Crescent', 'provenance': [{'wikipedia_id': '142586', 'title': 'Domestication', 'start_paragraph_id': 41, 'start_character': 60, 'end_paragraph_id': 41, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Plants.:History.\n'}]}, {'provenance': [{'wikipedia_id': '142586', 'title': 'Domestication', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 696, 'bleu_score': 0.9826823455989031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1940124608274051327}, 'section': 'Section::::Plants.:History.\n'}]}]