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:
Richard E. LEIGH, Appellant, v. U. S. DEPARTMENT OF JUSTICE et al., Appellees.
No. 17928.
United States Court of Appeals District of Columbia Circuit.
Submitted Jan. 21, 1964.
Decided Feb. 20, 1964.
Mr. Max Frescoln, Asst. U. S. Atty., with whom Messrs. David C. Acheson, U. S. Atty., Frank Q. Nebeker and Gil Zimmerman, Asst. U. S. Attys., were on the brief, submitted on the brief, for ap-pellees.
Before Fahy, Washington and Dana-her, Circuit Judges.
PER CURIAM.
Deeming the case one over which the District Court obtained jurisdiction we think the motion to dismiss for lack of jurisdiction should not have been granted.
The order dismissing the action is reversed and the case is remanded to the-District Court for disposition by appropriate procedure.
Reversed and remanded.

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: 4