CREATE TABLE table_67145 ("Year" FLOAT, "Theme" TEXT, "Artist" TEXT, "Issue price" FLOAT, "Special notes" TEXT)

What theme has special notes from calgary flames gift set?
SELECT "Theme" FROM table_67145 WHERE "Special notes" = 'from calgary flames gift set'
SELECT "Theme" FROM "table_67145" WHERE "Special notes" = 'from calgary flames gift set'