user: Question: What is the minimum number of bypass ports listed?
Columns: ['Engine', 'Exhaust Ports', 'Bypass Ports', 'Bypass Boosters', 'SPI', 'Tapered Grind', 'Number on cyl.']
Types: ['text', 'text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Space Bug', 'Open', 2.0, '0', 'Yes', 'Yes', 'None']
SQL:

assistant: SELECT MIN("Bypass Ports") FROM "Table";