user: Question: What's the lowest Floors with Feet that's larger htan 262, has a Name of Standard Bank Building, and Metres that's larger htan 138.8?
Columns: ['Name', 'City', 'Years as tallest', 'Metres', 'Feet', 'Floors']
Types: ['text', 'text', 'text', 'real', 'real', 'real']
Sample row: ['Carlton Centre', 'Johannesburg', '1973–present', 223.0, 732.0, 50.0]
SQL:

assistant: SELECT MIN("Floors") FROM "Table" WHERE "Feet" > 262.0 AND "Name" = 'Standard Bank Building' AND "Metres" > 138.8;