Question: who won the afl grand final in 1990
[{'answer': 'Collingwood', 'provenance': [{'wikipedia_id': '13338740', 'title': '1990 AFL Grand Final', 'start_paragraph_id': 1, 'start_character': 85, 'end_paragraph_id': 1, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13338740', 'title': '1990 AFL Grand Final', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 516, 'bleu_score': 0.976327165973018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7570480136043196380}, 'section': 'Section::::Abstract.'}]}]