user: Question: Which space agency launched the Herschel Space Observatory?
Columns: ['Name', 'Space Agency', 'Launch Date', 'Terminated', 'Location']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['AKARI', 'JAXA', '21 February 2006', '24 November 2011', 'Earth orbit (586.47–610.44km)']
SQL:

assistant: SELECT "Space Agency" FROM "Table" WHERE "Name" = 'Herschel Space Observatory';