What was the sensor resolution with a minimal CPU usage for a naturalpoint trackir 3 pro?
CREATE TABLE table_name_39 (sensor_resolution VARCHAR, cpu_usage VARCHAR, camera VARCHAR)
SELECT sensor_resolution FROM table_name_39 WHERE cpu_usage = "minimal" AND camera = "naturalpoint trackir 3 pro"
### Context: CREATE TABLE table_name_39 (sensor_resolution VARCHAR, cpu_usage VARCHAR, camera VARCHAR) ### Question: What was the sensor resolution with a minimal CPU usage for a naturalpoint trackir 3 pro? ### Answer: SELECT sensor_resolution FROM table_name_39 WHERE cpu_usage = "minimal" AND camera = "naturalpoint trackir 3 pro"