user: Question: What sensor has a resolution of 640x480 with small CPU usage, JPEG compressed output and a camera of Sony PlayStation EyeToy?
Columns: ['Camera', 'Sensor resolution', 'Sensor', 'Output', 'CPU usage', 'IR LEDs']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Ideal webcam', '640x480', 'monochrome', 'highly compressed', 'small', 'Yes']
SQL:

assistant: SELECT "Sensor" FROM "Table" WHERE "Sensor resolution" = '640x480' AND "CPU usage" = 'small' AND "Output" = 'JPEG compressed' AND "Camera" = 'Sony PlayStation EyeToy';