user: Question: How many prisons is Joan Leaven connected with?
Columns: ['Name', 'Occupation', 'Gender', 'Prison connection', 'Played by', 'Status']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Kazan', 'Autistic Savant', 'Male', 'Kazan Prison (Russia)', 'Andrew Miller', 'Alive after exiting the Cube']
SQL:

assistant: SELECT COUNT("Prison connection") FROM "Table" WHERE "Name" = 'Joan Leaven';