CREATE TABLE table_name_39 (sensor_resolution VARCHAR2, cpu_usage VARCHAR2, camera VARCHAR2)

What was the sensor resolution with a minimal CPU usage for a naturalpoint trackir 3 pro?
SELECT sensor_resolution FROM table_name_39 WHERE cpu_usage = "minimal" AND camera = "naturalpoint trackir 3 pro"
SELECT "sensor_resolution" FROM "table_name_39" WHERE "camera" = "naturalpoint trackir 3 pro" AND "cpu_usage" = "minimal"