CREATE TABLE table_37521 ("Camera" TEXT, "Sensor resolution" TEXT, "Sensor" TEXT, "Output" TEXT, "CPU usage" TEXT, "IR LEDs" TEXT)

What was the sensor with a resolution of 355x288 for a Naturalpoint Trackir 3?
SELECT "Sensor" FROM table_37521 WHERE "Sensor resolution" = '355x288' AND "Camera" = 'naturalpoint trackir 3'
SELECT "Sensor" FROM "table_37521" WHERE "Camera" = 'naturalpoint trackir 3' AND "Sensor resolution" = '355x288'