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_10402018_1 (london VARCHAR, us_tour VARCHAR)
### Question:
How many characters is by Babs Rubenstein?
### Answer:
SELECT COUNT(london) FROM table_10402018_1 WHERE us_tour = "Babs Rubenstein"