The beauty of filmmaking is that it's a collaborative art form. You get to work with so many talented people, and together, you create something that is greater than the sum of its parts.
Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know, ask them who you should ask next, and so on down the line. If you are willing to go to the 7th source, you’ll almost always get your answer.