Question: when did lord howe island became a world heritage site
[{'answer': 'in 1982', 'provenance': [{'wikipedia_id': '531383', 'title': 'Lord Howe Island', 'start_paragraph_id': 109, 'start_character': 556, 'end_paragraph_id': 109, 'end_character': 563, 'bleu_score': 1.0, 'section': 'Section::::Flora and fauna.:Conservation.\n'}]}, {'answer': '1982', 'provenance': [{'wikipedia_id': '531383', 'title': 'Lord Howe Island', 'start_paragraph_id': 109, 'start_character': 559, 'end_paragraph_id': 109, 'end_character': 563, 'bleu_score': 1.0, 'section': 'Section::::Flora and fauna.:Conservation.\n'}]}, {'provenance': [{'wikipedia_id': '531383', 'title': 'Lord Howe Island', 'start_paragraph_id': 109, 'start_character': 0, 'end_paragraph_id': 109, 'end_character': 563, 'bleu_score': 0.977897140678983, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12409955014013395792}, 'section': 'Section::::Flora and fauna.:Conservation.\n'}]}, {'provenance': [{'wikipedia_id': '531383', 'title': 'Lord Howe Island', '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': 12409955014013395792}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '593721', 'title': 'Lord Howe Island Marine Park', 'section': 'Section::::Biodiversity values.:Geomorphology.\n', 'start_paragraph_id': 21, 'end_paragraph_id': 21, 'meta': {'evidence_span': ['The high conservation significance of Lord Howe Island and its waters is recognised by its inclusion on the UNESCO World Heritage List in 1982. Conservation', 'reefs or were largely destroyed following emergence once the sea level fell. The fringing reef on the windward western coastline of Lord Howe Island absorbs wave energy and acts as a breakwater preventing storm surges from eroding the low lying central region of the island. The sheltered lagoon contains a number of different reef habitats, dominated by sand, lagoonal corals, gravel sheets, algal flats and patch reefs. The high conservation significance of Lord Howe Island and its waters is recognised by its inclusion on the UNESCO World Heritage List in 1982. Conservation\rhighlight sentence(s) containing evidence, not only the answer', 'The high conservation significance of Lord Howe Island and its waters is recognised by its inclusion on the UNESCO World Heritage List in 1982.']}}]}, {'provenance': [{'wikipedia_id': '531383', 'title': 'Lord Howe Island', 'section': 'Section::::Flora and fauna.:Conservation.\n', 'start_paragraph_id': 109, 'end_paragraph_id': 109, 'meta': {'evidence_span': ['The Lord Howe Island Board instigated an extensive biological and environmental survey (published in 1974), which has guided the island conservation program. In 1981, the Lord Howe Island Amendment Act proclaimed a "Permanent Park Preserve" over the north and south ends of the island.', 'The Lord Howe Island Board instigated an extensive biological and environmental survey (published in 1974), which has guided the island conservation program. In 1981, the Lord Howe Island Amendment Act proclaimed a "Permanent Park Preserve" over the north and south ends of the island. Administration of the preserve was outlined in a management plan for the sustainable development of the island prepared by the NSW National Parks and Wildlife Service, which has a ranger stationed on the island. The island was cited under the UNESCO World Heritage List in 1982.\rhighlight sentence(s) containing evidence, not only the answer', 'The Lord Howe Island Board instigated an extensive biological and environmental survey (published in 1974), which has guided the island conservation program.']}}]}, {'provenance': [{'wikipedia_id': '28875392', 'title': 'List of World Heritage Sites in Peru', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage Sites are places of importance to cultural or natural heritage as described in the UNESCO World Heritage Convention, established in 1972. Peru ratified the convention on February 24, 1982, making its historical sites eligible for inclusion on the list.', 'The United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage Sites are places of importance to cultural or natural heritage as described in the UNESCO World Heritage Convention, established in 1972. Peru ratified the convention on February 24, 1982, making its historical sites eligible for inclusion on the list.\rhighlight sentence(s) containing evidence, not only the answer']}}]}]