user: Question: Which Town has a Structural type of Guyed mast and a Country of Belgium?
Columns: ['Name', 'Pinnacle height', 'Structural type', 'Main use', 'Country', 'Town']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['The Marina Torch', 'metres (ft)', '2 lattice towers', 'River powerline crossing', 'UAE', 'Dubai']
SQL:

assistant: SELECT "Town" FROM "Table" WHERE "Structural type" = 'Guyed mast' AND "Country" = 'Belgium';