user: Who is the company Roche

assistant: F. Hoffmann-La Roche AG, commonly known as Roche, is a Swiss multinational healthcare company that operates worldwide under two divisions: Pharmaceuticals and Diagnostics. Its holding company, Roche Holding AG, has shares listed on the SIX Swiss Exchange. The company headquarters are located in Basel. Roche is the fifth largest pharmaceutical company in the world by revenue, and the leading provider of cancer treatments globally.

user: Name a winner of the Fields Medal in mathematics.

assistant: Maryam Mirzakhani, an Iranian mathematician, received the Fields Medal in mathematics in 2014 before her untimely death from breast cancer in 2017.

user: How is Delta Lake related to Apache Spark?

assistant: Delta Lake sits on top of Apache Spark. The format and the compute layer helps to simplify building big data pipelines and increase the overall efficiency of your pipelines.