user: Question: What is the memory type with a form factor of 15.4", and a Model of Precision M65?
Columns: ['Model', 'Released', 'Form factor', 'Chipset', 'Memory Type', 'Max. Memory']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Precision M6500', 'Dec 2009', '17"', 'Intel PM55', 'DDR3 1066/1333/1600MHz', '32GB']
SQL:

assistant: SELECT "Memory Type" FROM "Table" WHERE "Form factor" = '15.4"' AND "Model" = 'Precision M65';