Table:
text: 2009 Mount Titlis World Women's Curling Championship
Standings
Standings
Country Skip W L PF PA Ends_Won Ends_Lost Blank_Ends Stolen_Ends Shot_
United States Debbie McCormick 4 7 67 78 47 48 3 13 79
South Korea Kim Mi-Yeon 3 8 59 73 41 47 11 13 73
Norway Marianne Rørvik 1 10 52 91 39 50 11 7 73

Question: What are Norway's fewest rounds lost at the 2009 Titlis World Women's Curling Championships?