Question: Where did the woman who ran the Buffalo Ballet Theater from 1967 begin her career? 
Sentence (from "Ben Stevenson"): Ben Stevenson OBE (born 4 April 1936), is a former ballet dancer with Britain's Royal Ballet and English National Ballet, co-director of National Ballet of Washington, D.C. (1971–1974), artistic director of Chicago Ballet (1974-1975), artistic director of Houston Ballet (1976–2003), and current artistic director of Texas Ballet Theater (2003–present).
Relevant evidence: No