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

Question: What theme had an issue price of $489.95 after 2005?
SQL: SELECT "theme" FROM "canadian_commerce" WHERE "issue_price"='$489.95' AND "year">2005;

Question: What year was the timber trade?
SQL: SELECT SUM("year") FROM "canadian_commerce" WHERE "theme"='timber trade';

Question: What year has an issue price of $697.95?
SQL: SELECT COUNT("year") FROM "canadian_commerce" WHERE "issue_price"='$697.95';