Question: how many gold medals has australia won commonwealth games 2018
[{'answer': '80', 'provenance': [{'wikipedia_id': '4522015', 'title': 'Australia at the Commonwealth Games', 'start_paragraph_id': 48, 'start_character': 200, 'end_paragraph_id': 48, 'end_character': 202, 'bleu_score': 1.0, 'section': 'Section::::Team & Individual Competitor Achievements.:Best Individual Medal Achievements.:Youngest gold medal winner.\n'}]}]