Question: How many dance music does the writer of Gross-Wien Op. 440 composed?
Sentence (from "Johann Strauss II"): Johann Strauss II (October 25, 1825 – June 3, 1899), also known as Johann Strauss Jr., the Younger, the Son (German: "Sohn" ), Johann Baptist Strauss, was an Austrian composer of light music, particularly dance music and operettas.
Relevant evidence: Yes