Who was responsible  for the design of the Jasper National Park theme?
CREATE TABLE "2007" (
  "date_of_issue" text,
  "theme" text,
  "denomination" text,
  "design" text,
  "illustration" text,
  "printing_process" text,
  "paper_type" text,
  "first_day_cover_cancellation" text
);
SELECT "design" FROM "2007" WHERE "theme"='Jasper National Park';