In which Pixar film does an old man tie balloons to his house?

Which Studio Ghibli film won the Academy Award for Best Animated Feature in 2003? Who directed 'Spirited Away'? Which Pixar film features a rat who wants to be a chef? Which Pixar film features a robot that cleans up an abandoned Earth? Which Pixar film is set around the Mexican holiday Día de los Muertos? Which Disney film features the song "Let It Go"? Which Disney film features the song "We Don't Talk About Bruno"? Which Disney film features the song "Under the Sea"?