CREATE TABLE "gold_plated_proof_silver_dollars" (
  "year" real,
  "theme" text,
  "artist" text,
  "mintage" text,
  "issue_price" text
);

Question: Which artist created the silver dollar for the 400th anniversary of Quebec?
SQL: SELECT "artist" FROM "gold_plated_proof_silver_dollars" WHERE "theme"='400th anniversary of quebec';

Question: Which year did the Royal Canadian Mint Staff create a silver dollar?
SQL: SELECT "year" FROM "gold_plated_proof_silver_dollars" WHERE "artist"='royal canadian mint staff';

Question: How many coins by Suzanne Duranceau were minted?
SQL: SELECT "mintage" FROM "gold_plated_proof_silver_dollars" WHERE "artist"='suzanne duranceau';