Question: who is the tight end for the houston texans
[{'answer': 'Ryan Griffin', 'provenance': [{'wikipedia_id': '39236747', 'title': 'Ryan Griffin (tight end)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39236747', 'title': 'Ryan Griffin (tight end)', 'start_paragraph_id': 1, 'start_character': 5, 'end_paragraph_id': 1, 'end_character': 176, 'bleu_score': 0.6316800286567821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 696935964885172922}, 'section': 'Section::::Abstract.'}]}]