Question: Who has a lead role in Ethir Neechal and has also acted in Kaaki Sattai?

<P0-S0> Kaaki Sattai (English: "Tan Uniform" ) is a 2015 Indian Tamil action masala film co-written and directed by R. S. Durai Senthilkumar and produced by Dhanush, their second collaboration after "Ethir Neechal" (2013). <P0-S1>  The film features Sivakarthikeyan and Sri Divya in the lead roles. <P0-S2>  The film's music was composed by Anirudh Ravichander. <P0-S3>  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. <SEP> <P1-S0> Ethir Neechal ("Swim against the Tide") is a 2013 Tamil sports comedy film written and directed by R. S. Durai Senthilkumar, a former assistant to Vetrimaran and produced by Dhanush. <P1-S1>  Sivakarthikeyan, Priya Anand and Nandita play lead roles. <P1-S2>  The movie released on 1 May 2013 to highly positive reviews from critics as well as the audience. <SEP> <P2-S0> Sivakarthikeyan is an Indian film actor and playback singer best known for his Tamil films. <P2-S1>  He began his career as a dancer and television personality at STAR Vijay, initially participating in reality shows, including the stand-up comedy show "Kalakka Povathu Yaaru" and the dance competition show "Jodi Number One". <P2-S2>  He later went on to become a recurring host of those shows, especially the popular "Athu Ithu Ethu", and many other STAR Vijay shows for multiple seasons until shortly after he made his acting debut in "Marina" (2012), "3" (2012), and "Manam Kothi Paravai" (2012). <P2-S3>  He went on to performing lead roles in other acclaimed films, such as "Kedi Billa Killadi Ranga" (2013), "Ethir Neechal" (2013), "Varuthapadatha Valibar Sangam" (2013), "Maan Karate" (2014), "Kaaki Sattai" (2015) "Rajini Murugan" and "Remo" (both 2016). <SEP> <P3-S0> Ravichandran (died 25 July 2011) was a Malaysian Indian actor who played lead hero roles in Tamil films from 1964–1979. <P3-S1>  He has also acted in supporting roles from 1986, and directed a few films. <P3-S2>  He was given the title of Kalaingnar Thilagham in many of the on-screen credits of films starring him in the lead role. <P3-S3>  He was, also, called "Puratchi Kalaignar" (Refer: Anandha Bairavi Tamil Movie Title Scene). <P3-S4>  Before entering cine-field, during his studies in Trichy, he has acted in two dramas, namely, "AanaiyidungalAnna" and "Udhaya Suriyan". <P3-S5>  After entering cine-field, he has acted in two dramas, namely, "Mapplley Yen Magalaik Kadhali" and "That Man from Poonthamallee". <P3-S6>  In the drama "That man from Poonthamallee", he performed in double role and Thirumuruga Kirupanandha Variyar, who presided over the drama in Vellore, has appreciated and awarded a title "Nadaga Sigamani". <P3-S7>  He has, also, acted in a TV Serial namely., GEE boom ba in 1986. <P3-S8>  During his tenure of acting, his fans, journalists, movie-directors/producers have given many titles, viz., Kalai Ulaga Ilavarasar, Kalai Nilavu, Romantic Hero, Velli Vizha kathanayagan, Vannap Pada Nayagan, Evergreen Hero, Chennai MGR, Kalaignar Thilagam, Style King, Stunt Man an, Bhagdath Perazhagan, Kalai chelvan, Pudhumai Thilagam etc. <P3-S9>  He was much affectionate with his fans.