user: Question: What year did the University of California, San Diego take 1st place?
Columns: ['Year', 'Location', '1st Place', '2nd Place', '3rd Place', '4th Place', '5th Place']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1997.0, 'Ragged Island, MD', 'University of Illinois, Urbana-Champaign', 'Virginia Tech', 'Texas A&M University', 'Utah State University', 'West Virginia University']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "1st Place" = 'University of California, San Diego';