CREATE TABLE "group_b1" (
  "nation" text,
  "skip" text,
  "third" text,
  "second" text,
  "lead" text,
  "alternate" text
);

Question: What is the alternate of the nation with Piotras Gerasimovici as the second?
SQL: SELECT "alternate" FROM "group_b1" WHERE "second"='piotras gerasimovici';

Question: What is the alternate of the nation with hubert gründhammer as the second?
SQL: SELECT "alternate" FROM "group_b1" WHERE "second"='hubert gründhammer';

Question: What is the alternate of the nation with Erkki Lill as the skip?
SQL: SELECT "alternate" FROM "group_b1" WHERE "skip"='erkki lill';

Question: Who is the skip of the nation with Laurens van der Windt as the alternate?
SQL: SELECT "skip" FROM "group_b1" WHERE "alternate"='laurens van der windt';

Question: Who is the lead of the nation with Juha Pekaristo as the alternate?
SQL: SELECT "lead" FROM "group_b1" WHERE "alternate"='juha pekaristo';