private static LinkedList<String> queryContacts(LinkedList<String> ssns,SoapBindingStub binding){
  LinkedList<String> taxid = new LinkedList<String>();
  
  QueryResult qr = null;
   int count = 0; 
   for(Iterator<String> it = ssns.iterator();it.hasNext();){
   String txid = it.next();
   String query = "select TaxID__c from Contact where TaxID__c="; 
   //////////////////////////////////////
   try {

    query+="'"+txid+"'";
    qr = binding.query(query);
    
    if (qr.getSize() != 0) {
                 
              for(int i =0;i<qr.getSize();i++){
              SObject account = qr.getRecords()[i];
              System.out.println("Retrieved account AccountNumber__c: " +getFieldValue(account.get_any(), "TaxID__c"));

              count++;
                 }
             } else {
              System.out.println("Hmm...\nDid not find the account, that's strange.");
              taxid.add(txid);
             }
             System.out.println(count);
             //System.out.println("\nQuery succesfully executed.");
            
         } catch (ApiFault af) {
             System.out
                     .println("\nFailed to execute query succesfully, error message was: \n"
                             + af.getExceptionMessage());
             
         } catch (Exception ex) {
             System.out
                     .println("\nFailed to execute query succesfully, error message was: \n"
                             + ex.getMessage());
             
         }
         ////////////////////////////////////////////////
   }
   return taxid;
 }