Question: 1990 Tour of the country having the official name sometimes known as the the country name of Purmerbuurt is a type of what?

full_context: Document 1: 1992 Ronde van Nederland: These are the results for the 32nd edition of the Ronde van Nederland cycling race, which was held from August 17 to August 22, 1992. The race started in Zoetermeer (Zuid-Holland) and finished in Gulpen (Limburg).
Document 2: Holland: Holland North and South Holland (in orange) shown together within the Netherlands Country Netherlands Largest settlements List (show) Amsterdam Rotterdam The Hague Haarlem Zoetermeer Dordrecht Leiden Area Total 5,488 km (2,119 sq mi) Population (January 2017) Total 6,466,735 Density 1,200 / km (3,100 / sq mi) Demonym (s) Hollander Time zone CET (UTC + 1) Summer (DST) CEST (UTC + 2)
Document 3: Dutch Brazil: Dutch Brazil, also known as New Holland, was the northern portion of the Portuguese colony of Brazil, ruled by the Dutch during the Dutch colonization of the Americas between 1630 and 1654. The main cities of the Dutch colony of New Holland were the capital Mauritsstad (today Recife), Frederikstadt (João Pessoa), Nieuw Amsterdam (Natal), Saint Louis (São Luís), São Cristóvão, Fortaleza (Fort Schoonenborch), Sirinhaém and Olinda.
Document 4: Pengorffwysfa: The village lies on the crossroad between Penysarn and Porth Eilian and Point Lynas Lighthouse, with turnings down towards Amlwch Port and Amlwch town, and the ascent for Llaneilian Mountain and heading towards Dulas Bay. This road forms part of the National Cycle Network Route 566, known as the Copper Trail, taking in the north coast of Anglesey that is designated an Area of Outstanding Natural Beauty, and the nearby remains of the historical copper mines at Parys Mountain.
Document 5: Postage stamps and postal history of the Netherlands: The postal region of the Netherlands is located in North-West Europe and comprises the whole territory of the Kingdom of the Netherlands in Europe and until 2010 the full territory of the country the Netherlands. Four other postal regions exist in the kingdom: for Aruba, the Caribbean Netherlands (Bonaire, Sint Eustatius and Saba), Curaçao and Sint Maarten.
Document 6: 1990 Ronde van Nederland: These are the results for the 30th edition of the Ronde van Nederland cycling race, which was held from August 13 to August 18, 1990. The race started in Groningen (Groningen (province)) and finished after 911.1 kilometres in Gulpen (Limburg).
Document 7: 1989 Ronde van Nederland: These are the results for the 29th edition of the Ronde van Nederland cycling race, which was held from August 14 to August 19, 1989. The race started in Nieuwegein (Utrecht) and finished 857 kilometres later in Gulpen (Limburg).
Document 8: Melsen: Melsen is a village in the province of East-Flanders, Belgium, and is a part of the municipality of Merelbeke. It covers an area of roughly 3 square kilometers. Its terrain is largely made up of one great hill. The northern and southern slopes of the hill, which are fairly steep for the surrounding area (about 20 meters), form the natural boundaries with the bordering villages of Vurste and Schelderode. The eastern slopes of the hill evolve into agricultural land and farther east into the forest of Makkegem. The western slope descends into a marsh that is connected to the Schelde (Scheldt) river.
Document 9: 1988 Ronde van Nederland: These are the results for the 28th edition of the Ronde van Nederland cycling race, which was held from August 15 to August 20, 1988. The race started in Groningen (Groningen) and finished after 859 kilometres in Gulpen (Limburg).
Document 10: Purmerbuurt: Purmerbuurt is a village in the Dutch province of North Holland in the polder the Purmer. It is part of the municipality of Purmerend, and is directly connected to the city of Purmerend by an Intersection. The village has its own church, de Purmerkerk. Purmerbuurt is surrounded by the Purmerbos. (Purmer forest)
Document 11: Nesselande: Nesselande is a new extension on the east side of the city of Rotterdam, in South Holland, the Netherlands. It is part of the borough of Prins Alexander, formerly Zevenhuizen-Moerkapelle.
Document 12: North Holland: The capital and seat of the provincial government is Haarlem, and the province's largest city is the Netherlands' capital Amsterdam. The King's Commissioner of North Holland is Johan Remkes, serving since 2010. There are 51 municipalities and three (including parts of) water boards in the province.
Document 13: Westerpark (park): The "Westerpark" (English: "Western Park") is a public urban park in Amsterdam, Netherlands. The former borough ("stadsdeel") of Westerpark is named after the park, as is the current neighborhood. In 2012 opposite the park, two trains were involved in a head-on collision.
Document 14: 1986 Ronde van Nederland: These are the results for the 26th edition of the Ronde van Nederland cycling race, which was held from August 18 to August 23, 1986. The race started in Veenendaal (Gelderland) and finished in Gulpen (Limburg).
Document 15: Haarlemmerhout: The Haarlemmerhout is the oldest public park of the Netherlands. It lies on the south side of Haarlem, on the same old sandy sea wall that is shared by the public park Haagse Bos in The Hague and the Alkmaarderhout in Alkmaar.
ground_truth: Ronde van Nederland
sub_queries: Purmerbuurt >> country Answer: Holland
what is the official name of the country sometimes known as Holland Answer: Netherlands
1990 Tour of the Netherlands >> instance of Answer: Ronde van Nederland