user: Question: What is the mascot whose school opened in 1970?
Columns: ["School's name", "School's namesake", 'Year opened', 'Principal', 'Mascot']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Jefferson Junior High School', 'Thomas Jefferson', '1970', 'Nancy Voice', 'Patriots']
SQL:

assistant: SELECT "Mascot" FROM "Table" WHERE "Year opened" = '1970';