Question: industrial city in germany on the rhine herne canal
[{'answer': 'Duisburg', 'provenance': [{'wikipedia_id': '5482248', 'title': 'Rhine–Herne Canal', 'start_paragraph_id': 1, 'start_character': 234, 'end_paragraph_id': 1, 'end_character': 242, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Henrichenburg', 'provenance': [{'wikipedia_id': '5482248', 'title': 'Rhine–Herne Canal', 'start_paragraph_id': 1, 'start_character': 292, 'end_paragraph_id': 1, 'end_character': 305, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5482248', 'title': 'Rhine–Herne Canal', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 562, 'bleu_score': 0.535961383315921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17962329929934016267}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5482248', 'title': 'Rhine–Herne Canal', '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': 17962329929934016267}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5482248', 'title': 'RhineHerne Canal', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The RhineHerne Canal () is a transportation canal in the Ruhr area of North Rhine-Westphalia, Germany, with five canal locks. The canal was built over a period of eight years (5 April 1906 - 14 July 1914) and connects the harbour in Duisburg on the Rhine () with the Dortmund-Ems Canal near Henrichenburg (), following the valley of the Emscher. It was widened in the 1980s. The Rhein-Herne canal ship was designed specifically for this canal; normally of about 13001350 ton capacity, it has a maximum draft of , a length of approximately , and maximum beam of .', 'The canal was built over a period of eight years (5 April 1906 - 14 July 1914) and connects the harbour in Duisburg on the Rhine () with the Dortmund-Ems Canal near Henrichenburg (), following the valley of the Emscher. It was widened in the 1980s.']}}]}, {'provenance': [{'wikipedia_id': '25845', 'title': 'Rhine', 'section': 'Section::::Geography.:Lower Rhine.\n', 'start_paragraph_id': 78, 'end_paragraph_id': 78, 'meta': {'evidence_span': ["Until the early 1980s, industry was a major source of water pollution. Although many plants and factories can be found along the Rhine up into Switzerland, it is along the Lower Rhine that the bulk of them are concentrated, as the river passes the major cities of Cologne, Düsseldorf and Duisburg. Duisburg is the home of Europe's largest inland port and functions as a hub to the sea ports of Rotterdam, Antwerp and Amsterdam. The Ruhr, which joins the Rhine in Duisburg, is nowadays a clean river, thanks to a combination of stricter environmental controls, a transition from heavy industry to light industry and cleanup measures, such as the reforestation of Slag and brownfields. The Ruhr currently provides the region with drinking water. It contributes to the Rhine. Other rivers in the Ruhr Area, above all, the Emscher, still carry a considerable degree of pollution.", "Although many plants and factories can be found along the Rhine up into Switzerland, it is along the Lower Rhine that the bulk of them are concentrated, as the river passes the major cities of Cologne, Düsseldorf and Duisburg. Duisburg is the home of Europe's largest inland port and functions as a hub to the sea ports of Rotterdam, Antwerp and Amsterdam"]}}]}, {'provenance': [{'wikipedia_id': '3912208', 'title': 'Ruhrort', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Ruhrort is a district within the German city of Duisburg situated north of the confluence of the Ruhr and the Rhine, in the western part of the Ruhr area. Ruhrort has the largest river harbour in the World, with quays extending nearly 40 kilometres along the river, and it is the principal inland shipping port in Germany. Ruhrort was founded in 1371 as a customs site and was granted town status in 1551. Due to its convenient position on the junction of two important waterways a shipping guild and a harbour had been created', 'Ruhrort is a district within the German city of Duisburg situated north of the confluence of the Ruhr and the Rhine, in the western part of the Ruhr area. Ruhrort has the largest river harbour in the World, with quays extending nearly 40 kilometres along the river, and it is the principal inland shipping port in Germany. Ruhrort was founded in 1371 as a customs site and was granted town status in 1551. Due to its convenient position on the junction of two important waterways a shipping guild and a harbour had been created', 'Ruhrort is a district within the German city of Duisburg situated north of the confluence of the Ruhr and the Rhine, in the western part of the Ruhr area.']}}]}]