user: ### NOW ANSWER:
Question: For a 1st string of SI Accord du and a 2nd string of MI what is the 3rd string?
Columns: ['Mode', 'Départ de la main gauche', 'Accord du 1st string', '2nd string', '3rd string']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['DO', 'Chanterelles jouant à vide', 'SOL', 'DO', 'DO ou SOL']
SQL:

assistant: SELECT "3rd string" FROM "Table" WHERE "Accord du 1st string" = 'SI' AND "2nd string" = 'MI';