Question: Who owns a company that manufactures frozen dessert machines, like soft serve machines, shake machines, slush machines, and batch freezers that is most known for being the soft serve machine used by a chain of soft serve ice cream and fast-food restaurants owned by International Dairy Queen, Inc?
Sentence (from "Dairy Queen"): Dairy Queen, often abbreviated DQ, is a chain of soft serve ice cream and fast-food restaurants owned by International Dairy Queen, Inc., a subsidiary of Berkshire Hathaway.
Relevant evidence: Yes