Question: who won 2018 gps head of the river
[{'answer': "Saint Ignatius ' College", 'provenance': [{'wikipedia_id': '11306559', 'title': 'Head of the River (New South Wales)', 'start_paragraph_id': 5, 'start_character': 158, 'end_paragraph_id': 5, 'end_character': 185, 'bleu_score': 1.0, 'section': 'Section::::AAGPS Head of the River Regatta.\n'}]}, {'provenance': [{'wikipedia_id': '11306559', 'title': 'Head of the River (New South Wales)', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 280, 'bleu_score': 0.715937431224645, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2586333609558552792}, 'section': 'Section::::AAGPS Head of the River Regatta.\n'}]}]