Question: Where is the organization located which Stephen M. Schwebel served from 1997-2000? 
Sentence (from "Stephen M. Schwebel"): Judge Schwebel is noted for his expansive opinions in momentous cases such as "Legality of the Threat or Use of Nuclear Weapons", " Military and Paramilitary Activities in and Against Nicaragua" and " Oil Platforms (Islamic Republic of Iran v. United States of America)".
Relevant evidence: No