Task: Question Answering
Input (English): Context: Hojum Power Station ( alt. Håjum Power Station ) is the second hydroelectric power station in Trollhättan , the first one being the older Olidan Power Station . While the first two turbines were taken into service in 1938 , a third one was built and started in 1992 . The first two are rated at 50 MW , while the third is rated at 70 MW . The station is mainly located underground in a large mountain hall . This design was chosen because of the political instability in Europe at the time , which later led to the second world war . The relatively small building above ground was drawn by the Swedish architect Erik Hahr ., Trollhättan is a city and the seat of Trollhättan Municipality, Västra Götaland County, Sweden, with 46,457 inhabitants in 2010. It is located 75 km north of Sweden's second-largest city, Gothenburg., Sweden, officially the Kingdom of Sweden (Swedish: ), is a Scandinavian country in Northern Europe. It borders Norway to the west and Finland to the east, and is connected to Denmark in the southwest by a bridge-tunnel across the Öresund. At , Sweden is the third-largest country in the European Union by area, with a total population of 10.0 million. Sweden consequently has a low population density of , with the highest concentration in the southern half of the country. Approximately 85% of the population lives in urban areas., Gothenburg is the second-largest city in Sweden and the fifth-largest in the Nordic countries. Situated by the Kattegat, on the west coast of Sweden, the city has a population of approximately 550,000 in the urban area and 990,000 inhabitants in the metropolitan area., Västra Götaland County is a county or "län" on the western coast of Sweden. , Trollhättan Municipality ("Trollhättans kommun" or "Trollhättans stad") is a municipality in Västra Götaland County in western Sweden. Its seat is located in the city of Trollhättan., Subject: hojum hydroelectric power station, Relation: located_in_the_administrative_territorial_entity, Options: (A) denmark (B) european union (C) finland (D) gothenburg (E) north (F) of (G) southwest (H) sweden (I) trollhättan (J) trollhättan municipality (K) västra götaland county
Output (English): trollhättan municipality