user: Question: What is Umbro's highest capacity?
Columns: ['Team', 'Head Coach', 'Team Captain', 'Venue', 'Capacity', 'Kitmaker', 'Shirt sponsor', 'Club Chairman']
Types: ['text', 'text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['AEK Larnaca', 'Savvas Constantinou', 'Constantinos Mina', 'Neo GSZ Stadium', 13032.0, 'Mass', 'CytaVision', 'Marios Ellinas']
SQL:

assistant: SELECT MAX("Capacity") FROM "Table" WHERE "Kitmaker" = 'Umbro';