Question: who was the first minister of northern ireland
[{'answer': 'David Trimble', 'provenance': [{'wikipedia_id': '17165970', 'title': 'First Minister and deputy First Minister of Northern Ireland', 'start_paragraph_id': 22, 'start_character': 52, 'end_paragraph_id': 22, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Election.\n'}]}, {'answer': 'Ian Paisley', 'provenance': [{'wikipedia_id': '17165970', 'title': 'First Minister and deputy First Minister of Northern Ireland', 'start_paragraph_id': 26, 'start_character': 131, 'end_paragraph_id': 26, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Election.\n'}]}, {'answer': 'Peter Robinson', 'provenance': [{'wikipedia_id': '17165970', 'title': 'First Minister and deputy First Minister of Northern Ireland', 'start_paragraph_id': 26, 'start_character': 209, 'end_paragraph_id': 26, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Election.\n'}]}, {'answer': 'Arlene Foster', 'provenance': [{'wikipedia_id': '17165970', 'title': 'First Minister and deputy First Minister of Northern Ireland', 'start_paragraph_id': 26, 'start_character': 314, 'end_paragraph_id': 26, 'end_character': 327, 'bleu_score': 1.0, 'section': 'Section::::Election.\n'}]}]