Map<AgencyAndId, List<TimepointPrediction>> predictionsByBlockId = new HashMap<AgencyAndId, List<TimepointPrediction>>();
if (ht.containsKey("PREDICTIONS")) {
ContentsData data = (ContentsData) ht.get("PREDICTIONS");
data.resetRowIndex();
while (data.next()) {
_predictionCount++;
String agencyId = data.getString(0);