Table:
text: Kulitthurai railway station
Express Trains
Express Trains
Train_number Train_name Origin Destination Service Route_Via_
16650 Parasuram Express Nagercoil Mangalore Daily Trivandrum, Kottiyam,Ernakulam,Kozhikode
16649 Parasuram Express Mangalore Nagercoil Daily Nagercoil
16606 Ernad Express Nagercoil Mangalore Daily Trivandrum, Alleppey,Ernakulam,Kozhikode

Question: How many routes/vias are there for the Ernad Express between Kulitthurai station?