user: Question: Which bubble have a cancelable of Yes and an attribute of onpointerdown?
Columns: ['Category', 'Type', 'Attribute', 'Bubbles', 'Cancelable']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Pointer', 'pointerdown', 'onpointerdown', 'Yes', 'Yes']
SQL:

assistant: SELECT "Bubbles" FROM "Table" WHERE "Cancelable" = 'Yes' AND "Attribute" = 'onpointerdown';