Question: What was the sensor with a resolution of 355x288 for a NaturalPoint TrackIR 3?
SQL: SELECT "Sensor" FROM "2-13751214-1" WHERE "Sensor resolution" = '355x288' AND "Camera" = 'NaturalPoint TrackIR 3';

Question: What was the sensor resolution with a minimal CPU usage for a NaturalPoint TrackIR 3 Pro?
SQL: SELECT "Sensor resolution" FROM "2-13751214-1" WHERE "CPU usage" = 'minimal' AND "Camera" = 'NaturalPoint TrackIR 3 Pro';

Question: What was the output with No IR LEDs?
SQL: SELECT "Output" FROM "2-13751214-1" WHERE "IR LEDs" = 'No';

Question: What sensor has a resolution of 640x480 with small CPU usage, JPEG compressed output and a camera of Sony PlayStation EyeToy?
SQL: SELECT "Sensor" FROM "2-13751214-1" WHERE "Sensor resolution" = '640x480' AND "CPU usage" = 'small' AND "Output" = 'JPEG compressed' AND "Camera" = 'Sony PlayStation EyeToy';