CREATE TABLE "teams" (
  "country" text,
  "skip" text,
  "third" text,
  "second" text,
  "lead" text
);

Question: Which skip has Oliver Dupont as a second?
SQL: SELECT "skip" FROM "teams" WHERE "second"='oliver dupont';

Question: Which second's third is Jean-Michel Arsenault?
SQL: SELECT "second" FROM "teams" WHERE "third"='jean-michel arsenault';

Question: Which skip's third is Steffen Walstad?
SQL: SELECT "skip" FROM "teams" WHERE "third"='steffen walstad';

Question: Which skip's second is Martin Hejhal?
SQL: SELECT "skip" FROM "teams" WHERE "second"='martin hejhal';

Question: Which skip's lead is Gordon McDougall?
SQL: SELECT "skip" FROM "teams" WHERE "lead"='gordon mcdougall';

Question: Which second's skip is Chris Plys?
SQL: SELECT "second" FROM "teams" WHERE "skip"='chris plys';