Question: What charity single did Taylor Swift perform in Glendale, Arizona on her fourth concert tour?
Sentence (from "Ahoi Tour"): The supporting acts for this tour were Exilia (2004), Apocalyptica (February 1, 2005 to February 28, 2005), AqME (AqME stood in for Apocalyptica on February 12, 2005 concert), Devil Sold His Soul (was due to play July 14–18 but dropped out), and Torgull (July 23, 2005).
Relevant evidence: No