user: Question: What year was the ceremony where the film 'Tummien perhosten koti' was submitted?
Columns: ['Year (Ceremony)', 'Film title used in nomination', 'Title in the original language', 'Director', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1973 (46th)', 'The Earth is a Sinful Song', 'Maa on syntinen laulu', 'Rauni Mollberg Category:Articles with hCards', 'Not Nominated']
SQL:

assistant: SELECT "Year (Ceremony)" FROM "Table" WHERE "Title in the original language" = 'Tummien perhosten koti';