Question: Who directed the movie that was commemorated on its 50th anniversary by "The Peanuts Movie"?

Context paragraphs:
50 Year Anniversary World Tour (Neil Diamond): 50 Year Anniversary World Tour is a Neil Diamond tour which marked the 50th Anniversary of his first hit single, "Solitary Man," released in 1966.  It began in Fresno, California on April 7, 2017, and was scheduled to conclude at The O2 Arena in London on October 19, 2017.  The tour began just after the March release of a 50-song, three-disc career-spanning box set titled "Neil Diamond 50 - 50th Anniversary Collection."

Linda Ercoli: Linda M. Ercoli (born on March 7, 1960 in California) is an American actress and singer.  As a child she was regularly featured as one of the voice actors (actresses) in the "Peanuts" cartoons, playing various parts in the films and television specials.  She provided the voice of Violet in "You're Not Elected, Charlie Brown", "There's No Time for Love, Charlie Brown" (and also the voice of Patty), and "Be My Valentine, Charlie Brown" (and also the voice of Frieda).  Ercoli also voiced Peppermint Patty in "It's the Easter Beagle, Charlie Brown", and Clara in the second Peanuts movie "Snoopy, Come Home".  She voiced Violet again in "Happy Anniversary, Charlie Brown".

Dr. Wagner 50th Anniversary Show: The Dr. Wagner 50th Anniversary Show was a professional wrestling event, that took place on October 16, 2011, at Arena Naucalpan in Naucalpan, State of Mexico.  As the name indicates the event commemorated the 50th Anniversary of the debut of Manuel González Rivera, better known under the ring name Dr. Wagner, as well as the 7th anniversary of his death on September 13, 2004.  The show was produced as a joint effort between International Wrestling Revolution Group (IWRG) and "Promocion Wagner", owned and operated by González' son who wrestles as Dr. Wagner, Jr. The show included both sons of Dr. Wagner competing in the main event as Dr. Wagner, Jr. and Silver King competed in a match where the IWRG Intercontinental Heavyweight Championship was on the line as well as the masks of Dr. Wagner, Jr. and the remaining competitors, La Parka and Taboo.

EMLL 50th Anniversary Show: The EMLL 50th Anniversary Show was a professional wrestling major show event produced by Empresa Mexicana de Lucha Libre (EMLL) that took place on September 23, 1983 in Arena México, Mexico City, Mexico.  The event commemorated the 50th anniversary of EMLL, which would become the oldest professional wrestling promotion in the world.  The Anniversary show is EMLL's biggest show of the year, their Super Bowl event.  The main event was the culmination of a long running, intense storyline between Sangre Chicana and MS-1, with both men putting their hair on the line against the outcome of their "Lucha de Apuestas", bet match.  The show featured at least three additional matches including Ultraman defending the Mexican National Middleweight Championship against El Supremo.

A Charlie Brown Christmas: A Charlie Brown Christmas is a 1965 animated television special based on the comic strip "Peanuts", by Charles M. Schulz.  Produced by Lee Mendelson and directed by Bill Melendez, the program made its debut on CBS on December 9, 1965.  In the special, lead character Charlie Brown finds himself depressed despite the onset of the cheerful holiday season.  Lucy suggests he direct a neighborhood Christmas play, but his best efforts are ignored and mocked by his peers.  After Linus tells Charlie Brown about the true meaning of Christmas, Charlie Brown cheers up, and the Peanuts gang unites to celebrate the Christmas season.

The Peanuts Movie: The Peanuts Movie (known in some countries as Snoopy and Charlie Brown: The Peanuts Movie) is a 2015 American 3D computer-animated comedy film produced by Blue Sky Studios and distributed by 20th Century Fox, based on Charles M. Schulz's comic strip "Peanuts".  The film is directed by Steve Martino and written by Craig and Bryan Schulz (Schulz's son and grandson, respectively), and Cornelius Uliano, and stars the voices of Noah Schnapp as Charlie Brown and, via archival recordings, Bill Melendez as Snoopy and Woodstock.  It is the fifth full-length "Peanuts" film, and the first feature film in 35 years.  It commemorates the 65th anniversary of the comic strip and the 50th anniversary of the TV special "A Charlie Brown Christmas", and was released on November 6, 2015.

50th Anniversary Concert in Japan: 50th Anniversary Concert in Japan (Japanese title, 渡米50周年記念日本公演 = "American visit 50th anniversary commemorative Japanese performance") is a live concert album recorded by jazz pianist Toshiko Akiyoshi and released in Japan on the T-toc Record label.  The concert commemorated 50 years since Akiyoshi left Japan to study and play jazz in the USA and the album received several Japanese music awards including a "special award" for Japanese Jazz from "Swing Journal" magazine.

EMLL 15th Anniversary Show: Mexican professional wrestling promotion Empresa Mexicana de Lucha Libre (EMLL) commemorated their 15th anniversary with two "'EMLL 15th Anniversary Shows".  The first Anniversary show was held on September 22, 1948 in Arena Coliseo in Mexico City, Mexico, EMLL's main venue.  The second event took place two days later on September 24, 1948 in Arena Modelo.  The events commemorated the 15th anniversary of EMLL, which would later become the oldest professional wrestling promotion in the world.  The Anniversary show is EMLL's biggest show of the year, their Super Bowl event.  The first anniversary show featured the EMLL debut of Blue Demon, who would later become one of the iconic figures of Mexican wrestling.

European University Centre: The European University Centre is a historical institute for European Studies part of Nancy 2 University.  It was created in 1950 and it celebrated its 50th Anniversary in 2000.  For its 60th Anniversary in 2010, it also celebrated the 50th Anniversary of Alumni CEU (French: "Association des anciens du CEU" , Spanish: "Asociación de Antiguos Alumnos del CEU" ), which has become the main engine of this institute.

Stampede Wrestling 50th Anniversary Show: The Stampede Wrestling 50th Anniversary Show (also called Stu Hart's 88th Birthday Celebration) was a professional wrestling supercard produced by the Stampede Wrestling promotion that took place on May 2, 2003, at the Ogden Legion Hall in Calgary, Alberta.  It was initially to be held at the Victoria Pavilion, however, the event was later moved to another venue.  The show was held to celebrate Stu Hart's 88th birthday as well as the 50th anniversary of Stampede Wrestling.  Ralph Klein, then Premier of Alberta, made a guest appearance at the event to honor the Hart wrestling family.  It was second reunion show to be held since the Stu Hart 50th Anniversary Show in 1995.  The event featured talent from both the original Stampede Wrestling and Ross and Bruce Hart's version.  Seven professional wrestling matches were featured on the card.

Supporting paragraphs: The Peanuts Movie A Charlie Brown Christmas
Answer: Bill Melendez