Which gallery has a capacity of 31?

The capacity of 31 corresponds specifically to Gallery 5. Understanding the specific capacities of various galleries is important in the context of event planning and resource allocation. Each gallery has been designed to accommodate a certain number of people based on its size and layout, and knowledge of these capacities can significantly impact logistics and safety protocols during events. In this case, Gallery 5 has been identified and confirmed to have a capacity of 31, making it the correct choice in this context.