When was the build date for c-c wheel arrangement and freight service?
CREATE TABLE "fairbanks_morse" (
  "prr_class" text,
  "builder_s_model" text,
  "build_date" text,
  "total_produced" real,
  "wheel_arrangement" text,
  "service" text,
  "power_output" text
);
SELECT "build_date" FROM "fairbanks_morse" WHERE "service"='freight' AND "wheel_arrangement"='c-c';