Question: How many stolen ends against where there when Thomas Dufour was skip? 
SQL: SELECT "Stolen Ends Against" FROM "1-16684420-2" WHERE "Skip" = 'Thomas Dufour';

Question: What is the maximum number of stolen ends against for Japan? 
SQL: SELECT MAX("Stolen Ends Against") FROM "1-16684420-2" WHERE "Country" = 'Japan';

Question: Who was the skip when the stolen ends against was 13? 
SQL: SELECT "Skip" FROM "1-16684420-2" WHERE "Stolen Ends Against" = 13.0;