user: ### NOW ANSWER:
Question: In what year has a Post of Designer?
Columns: ['Year', 'Name', 'Genre', 'Status', 'Post']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2000.0, 'Noisy Birth', 'Music', 'Released', 'Director']
SQL:

assistant: SELECT SUM("Year") FROM "Table" WHERE "Post" = 'Designer';