Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_16157 ( "Model" real, "Introduction" text, "Discontinued" text, "CPU Speed" text, "Print resolution (DPI) Resolution is given in dots per inch (DPI)" text, "Print speed (PPM)" text, "Standard memory" text, "Maximum memory" text )

### Question ###
What is the maximum memory for the model discontinued in November 2001?

### Accurate SQL ###

SELECT "Maximum memory" FROM table_16157 WHERE "Discontinued" = 'November 2001'