// XPath
Xpaths.Xpath xp = new org.opendope.xpaths.ObjectFactory().createXpathsXpath();
xp.setId(key);
xp.setQuestionID(key);
DataBinding db = new org.opendope.xpaths.ObjectFactory().createXpathsXpathDataBinding();
db.setXpath("/oda:answers/oda:answer[@id='" + key +"']");
db.setPrefixMappings("xmlns:oda='http://opendope.org/answers'");
db.setStoreItemID(storeItemID);
xp.setDataBinding(db);
xPathsPart.getJaxbElement().getXpath().add(xp);
// question
Question q = new Question();