How did the court answer the issue question(s)? Include directions from the court-affirmed, reversed and remanded, etc.

TRUMP v. VANCE, DISTRICT ATTORNEY OF THE COUNTY OF NEW YORK, ET AL. CERTIORARI TO THE UNITED STATES COURT

What is/are the question(s) facing the court? Form the issue questions in a way that they can be answered by yes or no. (Professor Demers prefers that this question begin with the inquiry word “whether”.)
Holding: How did the court answer the issue question(s)? Include directions from the court-affirmed, reversed and remanded, etc.