Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_29770377_1 (train_number VARCHAR, route_via VARCHAR)
### Question:
How many trains are there for the route via trivandrum, ernakulam, newdelhi?
### Answer:
SELECT COUNT(train_number) FROM table_29770377_1 WHERE route_via = "Trivandrum, Ernakulam, NewDelhi"