user: Question: On a Sigma 9 with a standard byte string and more than 128 max memory, what is the value of the memory map?
Columns: ['Model', 'Floating point', 'Decimal', 'Byte string', 'Memory map', 'Max memory (kwords)']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['Sigma 7', 'optional', 'optional', 'standard', 'optional', 128.0]
SQL:

assistant: SELECT "Memory map" FROM "Table" WHERE "Byte string" = 'standard' AND "Max memory (kwords)" > 128.0 AND "Model" = 'Sigma 9';