Question: What was the political party of the District of Columbia Mayor who approved the Golden Triangle business improvement district in 1997?
Sentence (from "Marion Barry"): Marion Shepilov Barry (born Marion Barry Jr.; March 6, 1936 – November 23, 2014) was an American politician who served as the second Mayor of the District of Columbia from 1979 to 1991, and again as the fourth mayor from 1995 to 1999.
Relevant evidence: No