Question: what is the longest pier in the uk
[{'answer': 'Southend Pier', 'provenance': [{'wikipedia_id': '2394127', 'title': 'Southend Pier', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2394127', 'title': 'Southend Pier', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 252, 'bleu_score': 0.8505405945991491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8862644847968026455}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2394127', 'title': 'Southend Pier', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8862644847968026455}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16650786', 'title': 'Kew Pier', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Kew Pier is a pier on the River Thames, in London, United Kingdom. It is situated close to Kew Gardens and Kew Bridge in the London Borough of Richmond upon Thames.\rhighlight sentence(s) containing evidence, not only the answer', 'Kew Pier is a pier on the River Thames, in London, United Kingdom. It is situated close to Kew Gardens and Kew Bridge in the London Borough of Richmond upon Thames.']}}]}, {'provenance': [{'wikipedia_id': '374561', 'title': 'Yarmouth, Isle of Wight', 'section': 'Section::::History.\n', 'start_paragraph_id': 9, 'end_paragraph_id': 9, 'meta': {'evidence_span': ["Yarmouth Pier was opened in 1876. It received Grade 2 listed status in 1975. Originally 685\xa0ft (207.5m) long, it's now 609\xa0ft (186m) but is still the longest timber pier in England open to the public,", ". Yarmouth Pier was opened in 1876. It received Grade 2 listed status in 1975. Originally 685\xa0ft (207.5m) long, it's now 609\xa0ft (186m) but is still the longest timber pier in England open to the public, and also a docking point for the MV Balmoral and PS Waverley. Several Sites of Special Scientific Interest lie close to Yarmouth, including Yar Estuary SSSI & Bouldnor And Hamstead Cliffs SSSI. As a port and market town Yarmouth has had local commercial significance. It still has\rhighlight sentence(s) containing evidence, not only the answer"]}}]}]