user: ### NOW ANSWER:
Question: What year had nintendo ead, monolith soft as developers?
Columns: ['Year', 'Game', 'Genre', 'Platform(s)', 'Developer(s)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2007.0, 'Gears of War', '( Third-Person ) Shooter', 'Xbox 360 , Windows', 'Epic Games']
SQL:

assistant: SELECT SUM("Year") FROM "Table" WHERE "Developer(s)" = 'nintendo ead, monolith soft';