public List<Store> returnProductStore(String productname)
        {
            Dictionary<string, object> queryDict = new Dictionary<string, object>();
            queryDict.Add("productname", productname);

            var query = new Neo4jClient.Cypher.CypherQuery("MATCH (p:Product)-[r:COST]->(s:Store) WHERE p.name =~ {productname} RETURN s.name",//r.price
                                                            queryDict, CypherResultMode.Set);

            List<string> nameList = ((IRawGraphClient)client).ExecuteGetCypherResults<string>(query).ToList();

            query = new Neo4jClient.Cypher.CypherQuery("MATCH (p:Product)-[r:COST]->(s:Store) WHERE p.name =~ {productname} RETURN r.price",
                                                            queryDict, CypherResultMode.Set);

            List<int> priceList = ((IRawGraphClient)client).ExecuteGetCypherResults<int>(query).ToList();

            List<Store> storeList = new List<Store>();

            for(int i=0;i<nameList.Count;i++)
            {
                storeList.Add(new DomainModel.Store(nameList[i], priceList[i]));
            }

            return storeList;
        }