Question: which is the smallest continent on the earth
[{'answer': 'Australia', 'provenance': [{'wikipedia_id': '19630739', 'title': 'Continent', 'start_paragraph_id': 1, 'start_character': 364, 'end_paragraph_id': 1, 'end_character': 373, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19630739', 'title': 'Continent', 'start_paragraph_id': 1, 'start_character': 74, 'end_paragraph_id': 1, 'end_character': 373, 'bleu_score': 0.729661702093349, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4973201228448547902}, 'section': 'Section::::Abstract.'}]}]