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:
Edward LAMB et al., Appellants, v. Rosel H. HYDE et al., Individually and as Members of the Federal Communications Commission, Appellees.
No. 12308.
United States Court of Appeals District of Columbia Circuit.
Argued May 11, 1955.
Decided May 26, 1955.
Mr. Russell Morton Brown, Washington, D. C., with whom Messrs. J. Howard McGrath and Robert J. Norvell, Washington, D. C., were on the brief, for appellants.
Mr. Warren D. Quenstedt, Atty. Federal Communications Commission, with whom Messrs. Warren E. Baker, Gen. Counsel, Federal Communications Commission, J. Smith Henley, Asst. Gen. Counsel, Federal Communications Commission, Harrison, Ark., and Stanley S. Neustadt, Atty., Federal Communications Commission, New York City, were on the brief for appellees.
Mr. Richard A. Solomon, Asst. Gen. Counsel, Federal Communications Commission, also entered an appearance for appellees.
Before WILBUR K. MILLER, BAZE-LON and FAHY, Circuit Judges.
PER CURIAM.
This is an appeal from an order of the District Court denying the appellants’ motion for a preliminary injunction and granting the appellees’ motion to dismiss. We affirm on the ground that appellants have failed to exhaust the prescribed administrative remedy. Myers v. Bethlehem Shipbuilding Co., 1938, 303 U.S. 41, 50-51, 58 S.Ct. 459, 82 L.Ed. 638.
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: 9