user: Question: What is the local mission that has None as a local location, High Commissioner as a local position, Fiji as a resident county, and a mission of Tonga?
Columns: ['Mission', 'Resident Country', 'Local Location', 'Local Mission', 'Local Position']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Andorra', 'Spain', 'Andorra la Vella', 'N/A', 'Ambassador']
SQL:

assistant: SELECT "Local Mission" FROM "Table" WHERE "Local Location" = 'None' AND "Local Position" = 'High Commissioner' AND "Resident Country" = 'Fiji' AND "Mission" = 'Tonga';