What is the release date of the album written by Ford, Phil Phil Ford under BBC Audio?
CREATE TABLE "list_of_doctor_who_audio_releases" (
  "title" text,
  "writer" text,
  "format" text,
  "company" text,
  "release_date" text
);
SELECT "release_date" FROM "list_of_doctor_who_audio_releases" WHERE "company"='bbc audio' AND "writer"='ford, phil phil ford';