user: Question: When did Pharaoh Seth's reign end?
Columns: ['Name', 'Country', 'Reign began', 'Reign ended', 'Length']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Pharaoh Seth', 'Egypt', 'c.1755 BC', 'c.1755 BC', '6 days']
SQL:

assistant: SELECT "Reign ended" FROM "Table" WHERE "Name" = 'Pharaoh Seth';