Question: "Heffalumps and Woozles" is a song from a full-length animated film distributed by who?

Context paragraphs:
The Many Adventures of Winnie the Pooh: The Many Adventures of Winnie the Pooh is a 1977 American animated film produced by Walt Disney Productions and distributed by Buena Vista Distribution.  It is the 22nd Disney animated feature film and was first released on March 11, 1977 on a double bill with "The Littlest Horse Thieves".

Just Say, 'Yes I Can': "Just Say, 'Yes I Can'" is a song from the "Welcome to Pooh Corner" Cable TV series which premiered in the Disney Channel's inaugural season in 1983.  The song was written by the Academy Award-winning song-writing duo of Richard M. Sherman and Robert B. Sherman.  The Sherman Brothers also wrote the majority of the well known Winnie the Pooh songs, such as "The Wonderful Thing about Tiggers" and "Heffalumps and Woozles" from the 1960s, and in 2000 wrote the score to "The Tigger Movie".

Chico and Rita: Chico and Rita is a 2010 American-Spanish adult animated music romantic film with Spanish and English languages directed by Tono Errando, Fernando Trueba and Javier Mariscal.  The story of Chico and Rita is set against backdrops of Havana, New York City, Las Vegas, Los Angeles and Paris in the late 1940s and early 1950s.  Chico is a young piano player with big dreams.  Rita is a beautiful singer with an extraordinary voice.  Music and romantic desire unite them, but their journey—in the tradition of the Latin ballad, the bolero—brings heartache and torment.  The film was produced by Fernando Trueba Producciones, Estudio Mariscal, and Magic Light Pictures.  It received financing from CinemaNX and Isle of Man Film.  It won the Goya Award for Best Animated Film at the 25th Goya Awards and was nominated for the Oscar for Best Animated Feature at the 84th Academy Awards (the first nomination for a Spanish full-length animated film).

I Hum to Myself: "I Hum to Myself" is a song from the "Welcome to Pooh Corner" Cable TV series which premiered in 1983 on the Disney Channel (which was also that channel's inaugural season).  The song was written by the Academy Award-winning songwriting duo of Richard M. Sherman and Robert B. Sherman.  The Sherman Brothers also wrote the majority of the well known Winnie the Pooh songs, including "The Wonderful Thing about Tiggers" and "Heffalumps and Woozles" from the 1960s, and in 2000 wrote the score to "The Tigger Movie".

The Magic Snowflake: The Magic Snowflake (original French title L'Apprenti Père Noël et le flocon magique) is a French animated film made by Gaumont Animation in 2013.  This full-length animated feature film was co-produced with Snipple Animation and Dapaco Productions.  This is a sequel to the 2010 animated film "Santa's Apprentice".

You're the Only You: You're the Only You is a song from the "Welcome to Pooh Corner" Cable TV series which premiered in 1983 on the Disney Channel (which was also that channel's inaugural season).  The song was written by the Academy Award-winning songwriting duo of Richard M. Sherman and Robert B. Sherman.  The Sherman Brothers also wrote most of the well known Winnie the Pooh songs, including "The Wonderful Thing about Tiggers" and "Heffalumps and Woozles" from the 1960s, and in 2000 wrote the score to "The Tigger Movie".

Space Travelers: The Animation: Space Travelers: The Animation (スペース・トラベラーズ The Animation , Supesutoraberaz The Animation ) is a 2000 science fiction and action Japanese straight to video full-length animated film produced by Fuji Television Network and Robot Films.  The anime ties back to 2000's live action comedy film "Space Travelers" directed by Katsuyuki Motohiro, also produced by Fuji Television Network and Robot Films.

The Right Side: "The Right Side" is a song from the "Welcome to Pooh Corner" Cable TV series which premiered in 1983 during the Disney Channel's inaugural season.  The song was written by the Academy Award-winning songwriting duo Richard M. Sherman and Robert B. Sherman.  The Sherman Brothers also wrote the majority of the well known Winnie the Pooh songs, including "The Wonderful Thing About Tiggers" and "Heffalumps and Woozles" from the 1960s, and in 2000 wrote the score to "The Tigger Movie".

Heffalumps and Woozles: "Heffalumps and Woozles" is a song from the 1968 Walt Disney musical film featurette "Winnie the Pooh and the Blustery Day".  It was written by the Sherman Brothers, and performed by The Mellomen.  It is also in the 1977 full-length feature film "The Many Adventures of Winnie the Pooh".

Legends of Valhalla: Thor: Legends of Valhalla: Thor (Icelandic: "Hetjur Valhallar - Þór" ), also known as Thor: Legend of the Magical Hammer, is a 2011 3D CGI animated comedy feature film co-produced by CAOZ, Ulysses and Magma Films.  It is based on stories about Thor, the god of thunder from Norse mythology.  The film is the first full-length animated film to be produced in Iceland.  It was released on October 14, 2011 in Reykjavík.

Supporting paragraphs: Heffalumps and Woozles The Many Adventures of Winnie the Pooh
Answer: Buena Vista Distribution