Which Opened has a Category of diesel light rail?
CREATE TABLE table_name_3 (
    opened INTEGER,
    category VARCHAR
)
SELECT MAX(opened) FROM table_name_3 WHERE category = "diesel light rail"
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: Which Opened has a Category of diesel light rail? ### Input: CREATE TABLE table_name_3 (
    opened INTEGER,
    category VARCHAR
) ### Response: SELECT MAX(opened) FROM table_name_3 WHERE category = "diesel light rail"