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_1569516_1 (line VARCHAR, destination VARCHAR)
### Question:
When London Bridge is the destination, how many lines are there?
### Answer:
SELECT COUNT(line) FROM table_1569516_1 WHERE destination = "London Bridge"