Question: when was tasmania cut off from the mainland
[{'answer': '10,000 years ago', 'provenance': [{'wikipedia_id': '29944', 'title': 'Tasmania', 'start_paragraph_id': 3, 'start_character': 206, 'end_paragraph_id': 3, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '29944', 'title': 'Tasmania', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 761, 'bleu_score': 0.767133917784215, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3287847282561756671}, 'section': 'Section::::Abstract.'}]}]