Question: What is the alternate of the nation with Piotras Gerasimovici as the second?
SQL: SELECT "Alternate" FROM "2-15295737-52" WHERE "Second" = 'Piotras Gerasimovici';

Question: What is the alternate of the nation with Hubert Gründhammer as the second?
SQL: SELECT "Alternate" FROM "2-15295737-52" WHERE "Second" = 'Hubert Gründhammer';

Question: What is the alternate of the nation with Erkki Lill as the skip?
SQL: SELECT "Alternate" FROM "2-15295737-52" WHERE "Skip" = 'Erkki Lill';

Question: Who is the skip of the nation with Laurens Van Der Windt as the alternate?
SQL: SELECT "Skip" FROM "2-15295737-52" WHERE "Alternate" = 'Laurens Van Der Windt';

Question: Who is the lead of the nation with Juha Pekaristo as the alternate?
SQL: SELECT "Lead" FROM "2-15295737-52" WHERE "Alternate" = 'Juha Pekaristo';