Question: Composer August Conradi conducted for which opera house that was built for a restaurant owner?
Sentence (from "August Conradi"): Conradi held various conducting appointments; these included Stettin (1849), Berlin (1850), Düsseldorf (1852), and Cologne (1853), then Berlin again at such theaters as Kroll's, the Wallner-Theater and the Victoria-Theater.
Relevant evidence: Yes