What is the original air date for episode graeme clifford directed and lindsay sturman wrote?
CREATE TABLE table_28859177_3 (original_air_date VARCHAR, directed_by VARCHAR, written_by VARCHAR)
SELECT original_air_date FROM table_28859177_3 WHERE directed_by = "Graeme Clifford" AND written_by = "Lindsay Sturman"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28859177_3 (original_air_date VARCHAR, directed_by VARCHAR, written_by VARCHAR) Question: What is the original air date for episode graeme clifford directed and lindsay sturman wrote? [/INST] SELECT original_air_date FROM table_28859177_3 WHERE directed_by = "Graeme Clifford" AND written_by = "Lindsay Sturman" </s>