user: Question: What is the mascot for Texas Tech University?
Columns: ['Institution', 'Location', 'Founded', 'Affiliation', 'Enrollment', 'Team Nickname', 'Primary conference']
Types: ['text', 'text', 'real', 'text', 'real', 'text', 'text']
Sample row: ['Baylor University', 'Waco, Texas', 1845.0, 'Private , Baptist', 14769.0, 'Bears', 'Big 12 ( Division I )']
SQL:

assistant: SELECT "Team Nickname" FROM "Table" WHERE "Institution" = 'Texas Tech University';