SELECT Author ,  College FROM submission
For each submission, show the author and their affiliated college.
[Schema (values) (types)]: | workshop_paper |  workshop : workshop_id (text) , date (number) , venue (text) , name (text) | submission : submission_id (text) , scores (number) , author (text) , college (text) | Acceptance : submission_id (text) , workshop_id (number) , result (text);