Task: Text to Code
Input (English): SQL: SELECT Count ( DISTINCT T2.color ) FROM mountain AS T1 JOIN photos AS T2 ON T1.id = T2.mountain_id WHERE T1.Country = "Ethiopia"
Feedback: Need to find number of rows of camera lens id without repetition .
Output (English): SELECT count(DISTINCT T2.camera_lens_id) FROM mountain AS T1 JOIN photos AS T2 ON T1.id  =  T2.mountain_id WHERE T1.country  =  'Ethiopia'