Question: when was tennyson awarded the title of poet laureate
[{'answer': '1850', 'provenance': [{'wikipedia_id': '59209', 'title': 'Alfred, Lord Tennyson', 'start_paragraph_id': 18, 'start_character': 10, 'end_paragraph_id': 18, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Third publication.\n'}]}]