What was the number of US Viewers in the episode directed by Steve Shill and having a production code of E2102?
CREATE TABLE table_21781578_2 (us_viewers__millions_ VARCHAR, directed_by VARCHAR, production_code VARCHAR)
SELECT us_viewers__millions_ FROM table_21781578_2 WHERE directed_by = "Steve Shill" AND production_code = "E2102"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_21781578_2 (us_viewers__millions_ VARCHAR, directed_by VARCHAR, production_code VARCHAR) Question: What was the number of US Viewers in the episode directed by Steve Shill and having a production code of E2102? [/INST] SELECT us_viewers__millions_ FROM table_21781578_2 WHERE directed_by = "Steve Shill" AND production_code = "E2102" </s>