CREATE TABLE table_6445 ("Name" CLOB, "Pinnacle height" CLOB, "Structural type" CLOB, "Main use" CLOB, "Country" CLOB, "Town" CLOB)

Which Town has a Structural type of guyed mast and a Country of belgium?
SELECT "Town" FROM table_6445 WHERE "Structural type" = 'guyed mast' AND "Country" = 'belgium'
SELECT "Town" FROM "table_6445" WHERE "Country" = 'belgium' AND "Structural type" = 'guyed mast'