Suppose Beethoven's Symphony No. 9 in D minor, Op. 125, is one of the most famous compositions in classical music. It is considered the zenith of Beethoven's artistic output and is known for its final movement, which features the "Ode to Joy" chorus. The symphony was first performed in Vienna on 7 May 1824.
Can we infer that "Beethoven composed Symphony No. 9 in an hour."? Yes, no, or maybe?