What Sissy Spacek film takes place in the sixties?

The Sissy Spacek film that takes place in the sixties is "Carrie" (1976).

While the film itself was released in 1976, it's set in the 1970s. However, "Coal Miner's Daughter" (1980), another Sissy Spacek film, follows the life of Loretta Lynn and covers her rise to fame in the 1960s.