user: Question: what year has the highest Marcel Granollers champions?
Columns: ['Location', 'Year', 'Champion', 'Runner-up', 'Score']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Valencia', 2013.0, 'Mikhail Youzhny', 'David Ferrer', '6–3, 7–5']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Champion" = 'Marcel Granollers';