Question: who did harold fight before the battle of hastings
[{'answer': 'his own brother Tostig', 'provenance': [{'wikipedia_id': '44667', 'title': 'Battle of Hastings', 'start_paragraph_id': 2, 'start_character': 265, 'end_paragraph_id': 2, 'end_character': 287, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'William', 'provenance': [{'wikipedia_id': '44667', 'title': 'Battle of Hastings', 'start_paragraph_id': 1, 'start_character': 87, 'end_paragraph_id': 1, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Norwegian King Harald Hardrada ( Harold III of Norway )'}, {'provenance': [{'wikipedia_id': '44667', 'title': 'Battle of Hastings', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 920, 'bleu_score': 0.9871375943883031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13357481729793871838}, 'section': 'Section::::Abstract.'}]}]