user: Question: What is the Men's 35 in year before 1990 when Men's Open is NSW and the venue is Sydney?
Columns: ['Year', 'Venue', "Men's Open", "Women's Open", "Men's 35s"]
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1980.0, 'Gold Coast', 'NSW', 'NSW', 'NSW']
SQL:

assistant: SELECT "Men's 35s" FROM "Table" WHERE "Year" < 1990.0 AND "Men's Open" = 'NSW' AND "Venue" = 'Sydney';