user: Question: What is the sum of year with the local host Sai?
Columns: ['Year', 'Conference', 'City', 'Country', 'Local Host(s)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2006.0, 'LCC1', 'Berkeley, California', 'United States', 'Sai']
SQL:

assistant: SELECT SUM("Year") FROM "Table" WHERE "Local Host(s)" = 'Sai';