Question: who did britain fight in the boer war
[{'answer': 'the Orange Free State', 'provenance': [{'wikipedia_id': '42720', 'title': 'Second Boer War', 'start_paragraph_id': 1, 'start_character': 166, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the South African Republic ( Republic of Transvaal )'}, {'provenance': [{'wikipedia_id': '42720', 'title': 'Second Boer War', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 532, 'bleu_score': 0.9295213573795481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4312247398994486571}, 'section': 'Section::::Abstract.'}]}]