Question: In what year was Archduke Franz Ferdinand assassinated during the July Crisis?
Sentence (from "Gräf &amp; Stift"): It continued in business as a subsidiary of MAN, and the Gräf & Stift name remained in use as a MAN brand for the Austrian market and for trolleybuses until 2001, when ÖAF-Gräf & Stift AG was renamed MAN Sonderfahrzeuge AG.
Relevant evidence: No