Question: Which country the performer of song Balladen Om Det Stora Slagsmålet På Tegelbacken is from?
Sentence (from "Olle Adolphson"): Adolphson wrote most of his songs in a short period, from the late 1950s to the early 1970s, afterwards turning to film and choir arrangements, but is still regarded as one of the four great Swedish songwriters of the 1900s, together with Birger Sjöberg, Evert Taube and Cornelis Vreeswijk.
Relevant evidence: No