What is the name of this character featured in an iconic supernatural horror film franchise? *

The Dakota, also known as the Dakota Apartments, is a cooperative apartment in the Upper West Side of Manhattan in New York City. This building's exterior was the stand-in for a building in an iconic 1960s supernatural movie. Name the movie. *

In 'AFI's 100 Years...100 Movie Quotes', "I See Dead People" is ranked 44th on the list. In which film did this iconic dialogue feature? *

The mansion, located nearly 60kms from Kolkata, featured in an acclaimed 2020 film. This mansion has also been featured in Rituparno Ghosh's film Choker Bali. Name the 2020 film. *

Designed by Dr Egon Spengler, this device is a man-portable particle accelerator system that is used to create a charged particle beam composed of protons. In which famous franchise was this device featured? *