Question: What nationality are film directors. Chris Sivertson and Miranda July?

Context paragraphs:
Chris Sivertson: Sivertson's first film was "All Cheerleaders Die" (2001), which he also wrote and directed together with Lucky McKee.

Montazur Rahman Akbar: Montazur Rahman Akbar is a Bangladeshi film director, screenwriter, producer, social activist and entrepreneur known for his film work in Dhallywood, the Bengali-language film industry centered in Dhaka, Bangladesh.  He was also a freedom fighter in Bangladesh Liberation War in 1971 in Sector Number 7 under the command of Sector Commander Quazi Nuruzzaman.  After returning from war, he joined the local theater group Akkelpur Adorsho Club and directed a number of plays.  He started his career as an assistant director under prominent film directors Matin Rahman, Azizur Rahman, Zillur Rahman, Saiful Azam Kashem and Narayan Ghosh Mita.  He worked as an assistant with the crew of successful films like "Chhutir Ghonta", "Janata Express" and many more from 1979 to 1990.  He debuted as a director with "Takar Pahar" (1993) but its release got delayed.  Thus the first film released under his direction is "NayJudhdhu" (1991).  He has directed successful commercial films from 1990's.  He works most often in the action genre with Superstar Manna.  He has collaborated with action hero Manna in 22 films, writer Abdullah Zahir Babu in 46 films, actor Dipjol in 13 films, editor Amzad Hossain in 22 films.  Akbar writes screenplays for most of his films.  He has written a single song in his film "Big Boss" (2003).  He was owner of the production company Nayan-Apon Production.  This company produced the films "Kukhato Khuni" in 2000 and "Babar Junno Judhdhu" in 2008 with Star Plus.  His films have introduced Dipjol, Popy, Keya, Riya Sen, Shakiba, Songita, Antara Biswas and Pushpi to Dhallywood.  His sibling Istofa Rahman is a cinematographer in Dhallywood.  He served as board executive member of Bangladesh Film Producers Distributors Association and Bangladesh Film Directors Association.  He won awards such as the Zia Sommamona Prodok (2003) and Jonotar Nishas Personality Award (2009).  He also founded a development NGO named Prochesta.  He has directed television commercials with agencies like Greenland Training Center, Decent Holding and Hiton TV.  He has directed television drama and drama serials like Pakhal, Golden Swarna, Pakhi Ebong Manushera.  He has been invited as a guest judge in television channel programs like "Super Hero Super Heroin", "Voice Of The Nation" and "Mirakkel Akkel Challenger".  He is also interested in business in his hometown Joypurhat.  His business enterprises include Apu Electronics Bazar, Mariam Traders, Furniture Village and Cholte Cholte.

Marauders (2016 film): Marauders is a 2016 American action crime-thriller film directed by Steven C. Miller and written by Michael Cody and Chris Sivertson.  Starring Christopher Meloni, Bruce Willis, Dave Bautista, and Adrian Grenier, the film was released on July 1, 2016, by Lionsgate Premiere.

Bangladesh Film Directors Association: Bangladesh Film Directors Association is the pan-national trade body of film directors in Bangladesh.  The Bangladesh Film Directors Association’s General Secretary is Badiul Alam Khokon.  Mushfiqur Rahman Gulzar is the president of Bangladesh Film Directors Association.

Miranda July: Miranda July (born Miranda Jennifer Grossinger; February 15, 1974) is an American film director, screenwriter, actor, author and artist.  Her body of work includes film, fiction, monologue, digital media presentations, and live performance art.  She wrote, directed and starred in the films "Me and You and Everyone We Know" (2005) and "The Future" (2011).  Her most recent book - and debut novel - "The First Bad Man", was published in January 2015.  July was a recipient of a Creative Capital Emerging Fields Award.

Brawler (film): Brawler is a 2011 American fight drama written and directed by Chris Sivertson.  It stars Marc Senter and Nathan Grubbs as the Fontaine Brothers.  Senter and Grubbs also produced the film through their company GFY Films.  The film had its world premiere at the 2011 Fantasia Film Festival.

The Lost (2006 film): The Lost is a 2006 American psychological horror film that was written and directed by Chris Sivertson based on the Jack Ketchum novel of the same name.  It was produced by Lucky McKee.  The film stars Marc Senter as charismatic teen sociopath Ray Pye.  Senter won best actor awards from both Screamfest and Fantaspoa film festivals.  He was also nominated for a Fangoria Chainsaw Award.  Supporting cast include Shay Astar, Alex Frost, Michael Bowen, and Robin Sydney.  The movie had its world premiere at the SXSW Film Festival with a limited theatrical release following shortly after.

I Know Who Killed Me: I Know Who Killed Me is a 2007 American psychological thriller film directed by Chris Sivertson and starring Lindsay Lohan.

All Cheerleaders Die (2001 film): All Cheerleaders Die is a 2001 American low-budget horror film that was written and directed by Lucky McKee and Chris Sivertson.  The film was released on January 27, 2001, and was later remade into a 2013 film by the same name.  It stars Chris Heinrich, who would serve as director of photography in the remake.

All Cheerleaders Die: All Cheerleaders Die is a 2013 American horror comedy film written and directed by Lucky McKee and Chris Sivertson.  It is a remake of their 2001 film of the same name that was also written and directed by McKee and Sivertson, and stars Caitlin Stasey as a cheerleader who must fight against the supernatural.  The movie had its world premiere on September 5, 2013, at the Toronto International Film Festival and had a limited theatrical release in June 2014.

Supporting paragraphs: Chris Sivertson Miranda July
Answer: American