Generate a correct and concise answer for the question based on the words in the context.
--------
Question: Context : The Boeing 601 (sometimes referred to as the BSS-601, and previously as the HS-601) is a communications satellite bus introduced in 1987 by Hughes Space and Communications Company.
Question : What year was Boeing 601 commissioned?

Answer: 1987

Question: Context : The Grameen Bank (Bengali: ) is a Nobel Peace Prize-winning microfinance organization and community development bank founded in Bangladesh.
Question : Which award was honoured to Grameen Bank?

Answer: Nobel Peace Prize

Question: Context : Prinzessin Brambilla (Princess Brambilla), Op. 12b is an opera in a prologue and five scenes by Walter Braunfels.
Question : The Prinzessin Brambilla is based upon what?

Answer:
Princess Brambilla