user: Question:  how many college with player being Rich Voltzke
Columns: ['Pick #', 'NFL Team', 'Player', 'Position', 'College']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [12.0, 'Green Bay Packers NFL', 'Rich Moore', 'Defensive Tackle', 'Villanova']
SQL:

assistant: SELECT COUNT("College") FROM "Table" WHERE "Player" = 'Rich Voltzke';