Question: Do Sigurd Andersson and Anna Catharina Materna share the same nationality?
Sentence (from "Sigurd Andersson"): Karl Sigurd Andersson( 18 July 1926 – 5 February 2009) was a Swedish cross -country skier who won a bronze medal in the 4×10 km relay at the 1952 Winter Olympics in Oslo.
Relevant evidence: Yes