user: Question: how many video out connections does the SoundDock Portable have?
Columns: ['Version', 'Dock Connection', 'AUX In', 'Battery', 'iPhone Certified', 'Video Out', 'Dual Voltage']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['SoundDock series I', 'FireWire', 'No', 'No', 'No', 'No', 'Yes']
SQL:

assistant: SELECT COUNT("Video Out") FROM "Table" WHERE "Version" = 'SoundDock Portable';