Given a scientific passage and an answer, generate a question for the given answer.

Example Input: Passage: Gaseous nitrogen is converted into forms that can be used by plants during the process of nitrogen fixation. Answer: nitrogen fixation
Example Output: Gaseous nitrogen is converted into forms that can be used by plants during a process called what?

Example Input: Passage: In this equation, the letters A and B represent the reactants that begin the reaction, and the letter C represents the product that is synthesized in the reaction. The arrow shows the direction in which the reaction occurs. Answer: reaction mechanism
Example Output: What term is used to describe the sequence of elementary steps that together comprise an entire chemical reaction?

Example Input: Passage: This passage from a Bach cello suite could be played by any trained musician from any country, because there is agreement as to what the symbols on the page mean. In the same way, molecules are represented using symbols that all chemists agree upon. Answer: chemists
Example Output:
Molecules are represented by symbols that all who agree on?