What follows is an opinion from a United States Court of Appeals. Your task is to identify the federal agency (if any) whose decision was reviewed by the court of appeals. If there was no prior agency action, choose "not applicable".

Opinion:
CHIN SHUE TEUNG v. TILLINGHAST, U. S. Commissioner of Immigration.
Circuit Court of Appeals, First Circuit.
May 31, 1929.
No. 2326.
Walter Bates Farr, of Boston, Mass. (E. F. Damon, of Boston, Mass., on the brief), for appellant.
John W. Sehenek, Asst. U. S. Atty., of Boston, Mass. (Frederick H. Tarr, U. S-Atty., of Boston, Mass., on the brief), for appellee.
Before BINGHAM, JOHNSON, and ANDERSON, Circuit Judges.
ANDERSON, Circuit Judge.
This case presents the familiar jurisdictional question whether the immigration authorities who excluded the applicant, because not satisfied as to his relationship as the son of an American citizen, had substantial evidence on which to base their contention. The court below dismissed the petition.
The applicant is a boy twelve years old. He first testified that his father died in October or November, 1926, in the United States, and that he never saw his father. Later he changed this testimony, testifying that his father died in his own house in China where the boy was living, and that he had seen him.
The court below was correct in holding that this discrepancy alone was enough to warrant the conclusion of the immigration authorities that the alleged relationship was not made out. There were other substantial discrepancies on matters pertinent to the issue of relationship.
The decision of the court below that the courts have no jurisdiction must be affirmed.
The decree of the District Court is affirmed.

Question: What federal agency's decision was reviewed by the court of appeals?

Choices:
Benefits Review Board
Civil Aeronautics Board
Civil Service Commission
Federal Communications Commission
Federal Energy Regulatory Commission
Federal Power Commission
Federal Maritime Commission
Federal Trade Commission
Interstate Commerce Commission
National Labor Relations Board
Atomic Energy Commission
Nuclear Regulatory Commission
Securities & Exchange Commission
Other federal agency
Not ascertained or not applicable

Answer: 14