CREATE TABLE table_4239 ("Train number" FLOAT, "Train name" CLOB, "Origin" CLOB, "Destination" CLOB, "Service" CLOB, "Route/Via." CLOB)

How many trains are there for the route via trivandrum, ernakulam, newdelhi?
SELECT COUNT("Train number") FROM table_4239 WHERE "Route/Via." = 'Trivandrum, Ernakulam, NewDelhi'
SELECT COUNT("Train number") FROM "table_4239" WHERE "Route/Via." = 'Trivandrum, Ernakulam, NewDelhi'