user: Question: What;s the SI Meaning for syMbol M?
Columns: ['Symbol', 'Prefix', 'SI Meaning', 'Binary meaning', 'Size difference']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['K', 'kilo', '10 3 = 1000 1', '2 10 = 1024 1', '2.40%']
SQL:

assistant: SELECT "SI Meaning" FROM "Table" WHERE "Symbol" = 'M';