Information:  - Värmland County ("Värmlands län") is a county or "län" in west central Sweden. It borders the Swedish counties of Dalarna, Örebro and Västra Götaland, as well as the Norwegian counties of Østfold, Akershus and Hedmark to the west. Prince Carl Philip is Duke of Värmland.  - Säffle Municipality ("Säffle kommun") is a municipality in Värmland County in west central Sweden. Its seat is located in the city of Säffle.  - Arne Nyberg ( 20 June 1913 -- 12 August 1970 ) was a Swedish football striker born in Säffle . After starting his career playing for a local club , he joined IFK Göteborg in 1932 and won two Swedish Championships with the club . He played for IFK the rest of his career and also worked for the club after retiring as an active player . His son Ralph Nyberg also played for IFK Göteborg later on and won a Swedish Championship medal . Arne Nyberg died in 1970 , only 57 years old .  - Säffle is a locality and the seat of Säffle Municipality, Värmland County, Sweden with 8,991 inhabitants in 2010.  - 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.    Given the paragraphs above, decide what entity has the relation 'place of birth' with 'säffle municipality'.
The answer to this question is:
arne nyberg