user: Question: How many cfl teams had pick # 21?
Columns: ['Pick #', 'CFL Team', 'Player', 'Position', 'College']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [17.0, 'Hamilton Tiger-Cats', 'Michael Giffin', 'RB/ FB', "Queen's"]
SQL:

assistant: SELECT COUNT("CFL Team") FROM "Table" WHERE "Pick #" = 21.0;