There's no way to tell if other people are downloading a file. The number you see in the # column shows how many hosts are sharing an identical version of that file

What happens when you try to download? Does the file sit connecting for ages & then need more sources forever? If that's the case, you're seeing fake files. They're all over the network. Check out the threads below for more info & search tips.

Fake files showing up in search results
How to find music (tips for video as well)