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:
Samuel J. CORBIN, Appellant, v. WASHINGTON FIRE AND MARINE INSURANCE COMPANY; St. Louis Fire and Marine Insurance Company; and The Insurance Company of St. Louis, Appellees.
No. 12275.
United States Court of Appeals Fourth Circuit.
Argued June 20, 1968.
Decided July 17, 1968.
Morris D. Rosen, Charleston, S. C. (G. M. Howe, Jr., Charleston, S. C., on the brief), for appellant.
Wm. H. Grimball, Charleston, S. C. (Grimball & Cabaniss, Charleston, S. C., on the brief), for appellees.
Before SOBELOFF, WINTER and BUTZNER, Circuit Judges.
PER CURIAM:
The question presented by this appeal is whether under South Carolina law an absolute privilege protects defamatory statements uttered in the course of private arbitration proceedings. The District Court held that such statements were absolutely privileged and granted defendants’ motion for summary judgment. We affirm on the basis of the District Court’s opinion, 278 F.Supp. 393 (D.S.C.1968).
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: 2