SELECT count(*) as total FROM library l INNER JOIN library_custom_fields lcf ON l.id = lcf.library_fk INNER JOIN library_custom_fields lcf1 ON l.id = lcf1.library_fk WHERE l.template_id = 18002 AND lcf.name = 'letter' AND lcf.value = ? AND lcf1.name = 'industrie' AND match(lcf1.value) against(?)