What follows is an opinion from a United States Court of Appeals. Your task is to identify the type of district court decision or judgment appealed from (i.e., the nature of the decision below in the district court).

Opinion:
Henry B. TURNER, Appellant, v. UNITED STATES of America, Appellee.
No. 16622.
United States Court of Appeals District of Columbia Circuit.
Argued Dec. 6, 1961.
Decided Jan. 25, 1962.
Petition for Rehearing En Banc Denied En Banc April 10, 1962.
Mr. John A. Shorter, Jr., Washington, D. C., for appellant.
Mr. John R. Schmertz, Jr., Asst. U. S. Atty., with whom Messrs. David C. Acheson, U. S. Atty., Nathan J. Paulson and Victor W. Caputy, Asst. U. S. Attys., were on the brief, for appellee. Messrs. Charles T. Duncan, Principal Asst. U. S. Atty., and Arnold T. Aikens, Asst. U. S. Atty., also entered appearances for appellee.
Before Bazelon, Bastían and Burger, Circuit Judges.
PER CURIAM.
This is an appeal from a judgment of conviction, after jury trial, for violation of the narcotics laws.
Our examination of the record discloses no error affecting substantial rights.
Affirmed.

Question: What is the type of district court decision or judgment appealed from (i.e., the nature of the decision below in the district court)?

Choices:
Trial (either jury or bench trial)
Injunction or denial of injunction or stay of injunction
Summary judgment or denial of summary judgment
Guilty plea or denial of motion to withdraw plea
Dismissal (include dismissal of petition for habeas corpus)
Appeals of post judgment orders (e.g., attorneys' fees, costs, damages, JNOV - judgment nothwithstanding the verdict)
Appeal of post settlement orders
Not a final judgment: interlocutory appeal
Not a final judgment: mandamus
Other (e.g., pre-trial orders, rulings on motions, directed verdicts) or could not determine nature of final judgment
Does not fit any of the above categories, but opinion mentions a "trial judge"
Not applicable (e.g., decision below was by a federal administrative agency, tax court)

Answer: 0