django foreignkey dropdown重定向到html页面

I'm trying to create a django page that has a single dropdown input, referencing a database with thousands of entries, that when the user selects one of the items and hits "submit", it will redirect them to an html page that generates the stats of the item they chose. I've tried several things and not gotten anything to work, the latest thing I've tried was something I found on here, though I couldn't get it working either, and it is throwing this error at me: "local variable 'team_number' referenced before assignment"I'm trying to create a django page that has a s