Question: who introduces the president at the state of the union
[{'answer': 'the Speaker', 'provenance': [{'wikipedia_id': '37081', 'title': 'State of the Union', 'start_paragraph_id': 16, 'start_character': 441, 'end_paragraph_id': 16, 'end_character': 452, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '37081', 'title': 'State of the Union', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 373, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2930676760575483285}, 'section': 'Section::::Delivery of the speech.:Protocol of entry into House chamber.\n'}]}]