CREATE TABLE "1_25_ounce_gold" (
  "year" real,
  "theme" text,
  "mintage" real,
  "issue_price" text,
  "finish" text
);

Question: What is the earliest year a red maple had a mintage over 15,000?
SQL: SELECT MIN("year") FROM "1_25_ounce_gold" WHERE "theme"='red maple' AND "mintage">'15,000';

Question: What is the issue price of a voyageur before 2006?
SQL: SELECT "issue_price" FROM "1_25_ounce_gold" WHERE "year"<2006 AND "theme"='voyageur';

Question: How many cowboy coins were minted?
SQL: SELECT "mintage" FROM "1_25_ounce_gold" WHERE "theme"='cowboy';