Question: Rani was best known for the song that was actually sung by a woman who is from what South Indian state?
Sentence (from "Rani (Tamil actress)"): She is best known for the song "O Podu" from "Gemini", sung by Anuradha Sriram and picturised on her; she is often referred to as "O Podu" Rani.
Relevant evidence: Yes