How many route/via's are there for the ernad express?
CREATE TABLE table_29770377_1 (
    route_via VARCHAR,
    train_name VARCHAR
)
SELECT COUNT(route_via) FROM table_29770377_1 WHERE train_name = "Ernad Express"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many route/via's are there for the ernad express? ### Input: CREATE TABLE table_29770377_1 (
    route_via VARCHAR,
    train_name VARCHAR
) ### Response: SELECT COUNT(route_via) FROM table_29770377_1 WHERE train_name = "Ernad Express"