user: Question: How many schools did Mike Jones attend?
Columns: ['Player', 'Position', 'School', 'Hometown', 'MLB Draft']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Joe Mauer', 'Catcher', 'Cretin-Derham Hall High School', 'Saint Paul, MN', '1st Round - 1st Pick of 2001 Draft ( Twins )']
SQL:

assistant: SELECT COUNT("School") FROM "Table" WHERE "Player" = 'Mike Jones';