user: Question: When was Mount Tahoma established? 
Columns: ['High School', 'Type', 'Established', 'Enrollment', 'Mascot', 'WIAA Classification', 'Notes']
Types: ['text', 'text', 'real', 'real', 'text', 'text', 'text']
Sample row: ['Henry Foss', 'comprehensive', 1973.0, 1298.0, 'Falcons', '3A', 'Located in Central Tacoma']
SQL:

assistant: SELECT "Established" FROM "Table" WHERE "High School" = 'Mount Tahoma';