user: Question: How many different combinations of team colors are there in all the schools in Maroa, Illinois?
Columns: ['Institution', 'Location', 'Mascot', 'Colors', 'Affiliation', '9–12 enrollment', 'School website']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Argenta-Oreana', 'Argenta, Illinois', 'Bombers', 'Royal Blue and Orange', 'Public', 313.0, 'http://www.argenta-oreana.org']
SQL:

assistant: SELECT COUNT("Colors") FROM "Table" WHERE "Location" = 'Maroa, Illinois';