What was the issued serial for yellow on blue design issued in 1955?
CREATE TABLE "1954_to_1972" (
  "issued" real,
  "type" text,
  "design" text,
  "serial_format" text,
  "serials_issued" text
);
SELECT "serials_issued" FROM "1954_to_1972" WHERE "design"='yellow on blue' AND "issued"=1955;