user: Question: How many institutes have the team name Spartans?
Columns: ['Institution', 'City', 'State', 'Team Name', 'Affiliation', 'Enrollment', 'Home Conference']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Augustana College (Illinois) **', 'Rock Island', 'Illinois', 'Vikings', 'Private/Lutheran', 2500.0, 'CCIW']
SQL:

assistant: SELECT COUNT("Institution") FROM "Table" WHERE "Team Name" = 'Spartans';