user: Question: Which royal house corresponds to Polyxenos Epiphanes Soter?
Columns: ['Type', 'Name', 'Title', 'Royal house', 'From']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Sovereign', 'Antialcidas', 'King', '—', '110 BC']
SQL:

assistant: SELECT "Royal house" FROM "Table" WHERE "Name" = 'Polyxenos Epiphanes Soter';