user: Question: What was the year of the last final for the club whose last title was 1990?
Columns: ['School', 'Titles', 'Shared Titles', 'Runners-Up', 'Total Finals', 'Last Title', 'Last Final']
Types: ['text', 'real', 'real', 'real', 'real', 'text', 'real']
Sample row: ['Methodist College Belfast', 35.0, 3.0, 19.0, 57.0, '2012', 2012.0]
SQL:

assistant: SELECT "Last Final" FROM "Table" WHERE "Last Title" = '1990';