user: Question: What is the minimum altitude (mslm) in all the commons?
Columns: ['Rank', 'Common', 'Population', 'Area (km 2 )', 'Density (inhabitants/km 2 )', 'Altitude (mslm)']
Types: ['text', 'text', 'real', 'text', 'text', 'real']
Sample row: ['1st', 'Novara', 105024.0, '103.02', '1019.5', 162.0]
SQL:

assistant: SELECT MIN("Altitude (mslm)") FROM "Table";