user: ### NOW ANSWER:
Question: How many years did he play in Santiago de Compostela?
Columns: ['city', 'position', 'Event', 'year', 'Score']
Types: ['text', 'real', 'text', 'real', 'text']
Sample row: ['Santiago de Compostela', 1.0, 'Mixed Doubles', 2004.0, '15-12/15-9']
SQL:

assistant: SELECT SUM("year") FROM "Table" WHERE "city" = 'Santiago de Compostela';