Question: when did the first fungi appear on earth
[{'answer': 'around 1.5 billion years ago', 'provenance': [{'wikipedia_id': '16866635', 'title': 'Evolution of fungi', 'start_paragraph_id': 1, 'start_character': 78, 'end_paragraph_id': 1, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16866635', 'title': 'Evolution of fungi', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 429, 'bleu_score': 0.7851072292496171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11940821780998112863}, 'section': 'Section::::Abstract.'}]}]