user: Question: What is the total score for a location of San Francisco, California, and a year after 1987, and a to pa [a] of +1?
Columns: ['Year', 'Country', 'Course', 'Location', 'Total score', 'To par [a ]']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1895.0, 'England', 'Newport Country Club', 'Newport, Rhode Island', '173', 'n/a']
SQL:

assistant: SELECT "Total score" FROM "Table" WHERE "Location" = 'San Francisco, California' AND "Year" > 1987.0 AND "To par [a ]" = '+1';