user: Question: What is the year when the spoksperson is Ruslana?
Columns: ['Year(s)', 'Television commentator', 'Dual Television commentator', 'Radio commentator', 'Spokesperson']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2003.0, 'Pavlo Shylko', 'No Dual Television Commentator', 'No broadcast', 'Lyudmyla Hariv']
SQL:

assistant: SELECT "Year(s)" FROM "Table" WHERE "Spokesperson" = 'Ruslana';