salix/print/templates/reports/entry-order/sql/supplier.sql

SELECT
    s.name,
    s.street,
    s.nif,
    s.postCode,
    s.city,
    p.name province
FROM supplier s
    JOIN entry e ON e.supplierFk = s.id
    LEFT JOIN province p ON p.id = s.provinceFk
WHERE e.id = ?