original_query: Who was awarded the National Film Award for Best Male Playback Singer for his rendition as a professional classical artiste?
query: Who was awarded the National Film Award for Best Male Playback Singer for his rendition of "Nadamaya"?
answer: Dr. Rajkumar was awarded the National Film Award for Best Male Playback Singer for his rendition of the song "Nadamaya" from the movie Jeevana Chaitra (1992).