user: Question: What is the latest year when Call of Duty 4: Modern Warfare was the game?
Columns: ['Year', 'Game', 'Genre', 'Platform(s)', 'Developer(s)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2005.0, 'Resident Evil 4', 'Survival Horror : ( Third-Person ) Shooter', 'GameCube , PlayStation 2 Windows', 'Capcom']
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Game" = 'Call of Duty 4: Modern Warfare';