user: Question: Name the type for Headquarters principal activites.
Columns: ['Company', 'Type', 'Principal activities', 'Incorporated in', "Group's Equity Shareholding (10 March 2010)"]
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Mandarin Airlines', 'Subsidiary', 'Airline', 'Taiwan', '93%']
SQL:

assistant: SELECT "Type" FROM "Table" WHERE "Principal activities" = 'Headquarters';