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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_10402018_1 (london VARCHAR, us_tour VARCHAR) Question: How many characters is by Babs Rubenstein? [/INST] SELECT COUNT(london) FROM table_10402018_1 WHERE us_tour = "Babs Rubenstein" </s>