Task: Question Answering
Input (English): passage: The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom. It is identical to the charge number of the nucleus. The atomic number uniquely identifies a chemical element. In an uncharged atom, the atomic number is also equal to the number of electrons.
 question: is the atomic number equal to the number of protons?
Output (English): Yes