Question: Two-man bobsleigh at the 1964 Winter Olympics took place on 31 January and 1 February at Bob und Rodelbahn Igls, Innsbruck, Austria, Innsbruck is the capital city of which city, in western Austria?
Sentence (from "FIBT World Championships 2000"): Altenberg hosted the championship event for the fourth time, doing so previously in 1991 (bobsleigh), 1994 (skeleton), and 1999 (skeleton).
Relevant evidence: No