Question: who is the host of fifa world cup 2026
[{'answer': 'United States', 'provenance': [{'wikipedia_id': '36581929', 'title': '2026 FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 365, 'end_paragraph_id': 1, 'end_character': 378, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Canada', 'provenance': [{'wikipedia_id': '36581929', 'title': '2026 FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 397, 'end_paragraph_id': 1, 'end_character': 403, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mexico', 'provenance': [{'wikipedia_id': '36581929', 'title': '2026 FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 408, 'end_paragraph_id': 1, 'end_character': 414, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36581929', 'title': '2026 FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 498, 'bleu_score': 0.7633774670277971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15537597489665082152}, 'section': 'Section::::Abstract.'}]}]