Question:
Who was the chair of Swedish Ice Hockey Association in Jun, 1945?

Context:
 Arne Grunander is the chair of Swedish Ice Hockey Association from Sep, 1973 to Sep, 1983. 
 Anton Johanson is the chair of Swedish Ice Hockey Association from Nov, 1924 to Oct, 1948. 
 Christer Englund is the chair of Swedish Ice Hockey Association from Jun, 2004 to Jun, 2015. 
 Isaac Westergren is the chair of Swedish Ice Hockey Association from Nov, 1922 to Nov, 1924. 
 Helge Berglund is the chair of Swedish Ice Hockey Association from Oct, 1948 to Sep, 1973. 
 Ove Rainer is the chair of Swedish Ice Hockey Association from Sep, 1973 to Sep, 1978. 
 Rickard Fagerlund is the chair of Swedish Ice Hockey Association from Sep, 1983 to Jun, 2002.

Answer:
Anton Johanson