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_19149550_7 (rank VARCHAR, london_borough VARCHAR)
### Question:
What is the rank of london borough in southwark?
### Answer:
SELECT rank FROM table_19149550_7 WHERE london_borough = "Southwark"