Question: where did the first significant military confrontation of the spanish-american war take place
[{'answer': 'Havana Harbor in Cuba', 'provenance': [{'wikipedia_id': '28265', 'title': 'Spanish–American War', 'start_paragraph_id': 1, 'start_character': 170, 'end_paragraph_id': 1, 'end_character': 191, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28265', 'title': 'Spanish–American War', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 495, 'bleu_score': 0.563892349396201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3831604857074742028}, 'section': 'Section::::Abstract.'}]}]