Question: The thriller film 3 gained high anticipation due to the viral marketing of what song that was written and sung by Dhanush, and composed by Anirudh Ravichander?
Sentence (from "Kaaki Sattai"): The story revolves around police constable Mathimaran who wants to prove himself as a true, powerful cop by finding ways to solve issues of corruption in the law and order system in the department of police.
Relevant evidence: No