Question: When was the sovereign duke of the Duchy of Saxe-Coburg and Gotha diedto whom Symphony No. 2 in C major, Op. 140 dedicated to?
Sentence (from "Symphony No. 2 (Raff)"): Symphony No. 2 in C major, Op. 140, was composed by Joachim Raff in Weimar in 1866.
Relevant evidence: Yes