Question: who painted the trees in the oma valley of biscay spain
[{'answer': 'Agustin Ibarrola', 'provenance': [{'wikipedia_id': '35052937', 'title': 'Oma forest', 'start_paragraph_id': 1, 'start_character': 40, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '35052937', 'title': 'Oma forest', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 239, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7570326806845366375}, 'section': 'Section::::Abstract.'}]}]