How many characters is by Babs Rubenstein?
CREATE TABLE table_10402018_1 (london VARCHAR, us_tour VARCHAR)
SELECT COUNT(london) FROM table_10402018_1 WHERE us_tour = "Babs Rubenstein"
### 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"