Question: who said i shall never surrender or retreat
[{'answer': 'William Barret Travis', 'provenance': [{'wikipedia_id': '282361', 'title': 'William B. Travis', 'start_paragraph_id': 5, 'start_character': 73, 'end_paragraph_id': 5, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Early life.:Ancestry, early years, and education.\n'}]}]