In the Endangered Wildlife Series from the Royal Canadian Mint numismatic coins printed in the 2000s, what theme had a mintage of 700?
CREATE TABLE "endangered_wildlife_series" (
  "year" real,
  "theme" text,
  "face_values" text,
  "artist" text,
  "issue_price" text,
  "mintage" real,
  "finish" text
);
SELECT "theme" FROM "endangered_wildlife_series" WHERE "mintage"=700;