Question: Which film by an American director, born on December 18, 1946, won an Oscar?

Context articles: Damien Chazelle
Steven Spielberg
Bobby Mehta
John J. Weinheimer
Hub Knolls
PES (director)
Steven Spielberg filmography
Josephine Sophia White Griffing
Leo Rosner
Phil Wagner

Damien Sayre Chazelle ( ; born January 19, 1985) is an American director, screenwriter and producer.
 Chazelle made his directorial debut with the musical film "Guy and Madeline on a Park Bench" (2009).
 He rose to prominence for writing and directing his second feature film, "Whiplash" (2014), which received five Academy Award nominations, including Best Picture and Best Adapted Screenplay.
 His 2016 film "La La Land" was a critical and commercial success, winning all seven of its Golden Globe nominations, including Best Picture, Best Director and Best Screenplay.
 It also received a record-tying fourteen Academy Award nominations, winning six including Best Director, making Chazelle the youngest person in history to win the Oscar for Best Director and to win the Golden Globe for Best Director.
Steven Allan Spielberg, {'1': ", '2': ", '3': 'KBE', '4': "} , {'1': ", '2': ", '3': 'OMRI', '4': "} (born December 18, 1946) is an American director, producer, and screenwriter.
 He is considered one of the founding pioneers of the New Hollywood era, as well as being viewed as one of the most popular directors and producers in film history.
 He is also one of the co-founders of DreamWorks Studios.
Siddharth N. "Bobby" Mehta was former CEO and vice chairman of HSBC North America.
 Mehta served as an Advisor of TransUnion since December 31, 2012.
 Mehta serves as consultant of TransUnion.
 He served the chief executive officer and president of TransUnion from August 2007 to December 31, 2012, and Transunion Financing Corp. until December 31, 2012.
 From May 2007 to July 2007, he served as a consultant to the board of directors at TransUnion.
 He served as the chief executive officer and president of TransUnion until December 31, 2012.
 He served as the chief executive officer of TransUnion LLC.
 He served as chairman of the board and chief executive officer of HSBC Finance Corporation from April 2005 to February 2007.
 He served as chief executive officer and president of TransUnion LLC from 2007 to 2012.
 From 1998 to 2007, he held a variety of positions with HSBC Finance Corporation and HSBC North America Holdings, Inc.
 Mehta served as chief executive officer of HSBC North America until February 2007.
 Mehta served as consultant of TransUnion since May 2007 until July 2007.
 Mehta served as group managing director of HSBC Holdings PLC of HSBC Finance Corp. since April 30, 2005, and its unit chief executive officer since March 2005.
 He served as the chief executive of HS BC North America Holdings Inc., of HSBC Finance Corp., from March 2005 to February 15, 2007.
 He served as an executive chairman of HSBC Financial Corporation Limited since April 2005 and served as its chief executive officer from April 2005 to February 15, 2007.
 He served as the chief executive officer of HSBC Bank USA, N.A. until February 2007.
 He served as the chief executive officer of HSBC North America Holdings Inc. since March 2005.
 He served as chairman and chief executive officer of HSBC Financial Corp., Ltd.
 He oversaw HSBC's global credit card services, its North American consumer lending and mortgage services businesses and its first mortgage operation.
 He was also responsible for corporate marketing, strategic planning and corporate development for HSBC North America Holdings Inc. and had responsibility for the strategic management of credit cards throughout the HSBC Group.
 Mehta served as group executive of Credit Card Services, Auto Finance and Canada of Household International Inc., since July 2002.
 He worked at MasterCard’s U.S. region board since March 2000.
 Mehta joined Household International Inc., in 1998.
 He served as senior vice president of The Boston Consulting Group in Los Angeles and co-leader of Boston Consulting Group Financial Services Practice in the United States.
 Mehta served as a director of Global Board of MasterCard Incorporated since March 17, 2005.
 He served as unit chairman of HSBC Holdings PLC and served as its board member since March 2005.
 He served as vice chairman and director of HSBC Financial Corporation Limited., (Formerly Household International Inc.).
 He has been a director of Avant Credit Corporation since December 18, 2014.
 He has been an independent director of The Allstate Corporation since February 19, 2014.
 He serves as a member of the advisory board at Core2 Group, Inc.
 He has been non-executive independent director at Piramal Enterprises Ltd since April 1, 2013.
 He serves on the boards of Datacard, Chicago Public Education Fund, University of Chicago Laboratory Schools, The Economic Club of Chicago, The Field Museum and Myelin Repair Foundation.
 He serves as a director of TransUnion Corp. and TransUnion LLC.
 He served as a director of MasterCard International Inc. (also known as MasterCard Worldwide) (formerly, MasterCard Inc.), since March 17, 2005.
 He served as a director of HSBC Financial Corp.
 Ltd.
 He has been a director of TransUnion since April 2012.
 Mehta serves on the board of international advisors for the Monterey, California, Institute of International Studies and is a member of the Financial Services Roundtable.
 He also serves on the board of advisors for the Myelin Repair Foundation.
 Mehta holds a Bachelor of Arts in economics from the London School of Economics and Masters of Business Administration from the University of Chicago.
 He stepped down as head of the North American unit after the lender raised its forecast for bad loans in the U.S.
 He is of Indian descent.
John J. "Jack" Weinheimer (c. 1896 – December 18, 1951) was an American football player and coach.
 He served as the head football coach at New York University from 1944 to 1946, compiling a record of 10–12.
 Weinheimer played football and other sports at NYU.
 He was awarded a place in NYU's Athletic Hall of Fame for his playing and coaching efforts.
 Weinheimer died at the age of 55 on December 18, 1951 of a heart attack at his home in New York City.
Oscar Edward "Hub" Knolls (December 18, 1883 – July 1, 1946) was a pitcher in Major League Baseball.
 He pitched in two games for the 1906 Brooklyn Superbas.
PES (born Adam Pesapane; May 26, 1973) is an Oscar and Emmy-nominated American director and stop-motion animator of numerous short films and commercials.
 In 2013, his short film "Fresh Guacamole" was nominated for the Academy Award for Best Animated Short Film.
 It is the shortest film ever nominated for an Oscar.
 In 2016, his commercial for the Honda Motor Co. entitled "Paper" earned an Emmy Award nomination for "Outstanding Commercial of 2016."
Steven Spielberg (born December 18, 1946) is an American director, producer, and screenwriter.
 He is considered one of the founding pioneers of the New Hollywood era, as well as being viewed as one of the most popular directors and producers in film history.
 He is also one of the co-founders of DreamWorks Studios.
Josephine Sophia White Griffing (December 18, 1814February 18, 1872) was an American reformer who campaigned against slavery and for women's rights.
 She was born in Hebron, Connecticut on December 18, 1814 but later settled in Litchfield, Ohio.
 There she worked as a lecturer for the Western Anti-Slavery Society and Ohio Women's Rights Association.
 At the end of the American Civil War she moved to Washington, D.C., to help work with the unemployed freedmen.
 Much of her work was done through the Freedmen's Bureau, where she worked as an assistant to the assistant commissioner and as an agent.
 Griffing was also active in several women's rights organizations.
 She died in Washington, D.C. on February 18, 1872.
Leopold "Leo" Rosner (26 June 1918 – 10 October 2008) was a Polish-born Australian Jewish musician.
 Rosner survived the Holocaust in Nazi concentration camps during World War II by playing his accordion for Nazi guards and officials, earning the attention of Oskar Schindler who likely saved his life.
 His survival story became known after Australian author Thomas Kenneally's 1982 novel, "Schindler's Ark", was adapted into Steven Spielberg's Oscar-winning film, "Schindler's List".
 He appeared in the epilogue of the film at the Schindler memorial in Yad Vashem, Israel.
Phillip Clay"Phil" Wagner (born December 18, 1945) is a retired American professional basketball player who spent one season in the American Basketball Association (ABA) for the Indiana Pacers during the 1968–69 season.
 He attended the Georgia Institute of Technology.
 He lives in Stockbridge, Georgia with his wife Brenda.
 He is retired from Delta Air Lines, and is a real estate agent with Coldwell Banker in McDonough, Georgia.
 He has three living sons (one deceased son) and six grandsons.
 He was born on December 18, 1945 in Cynthiana, Kentucky.