Which week is the theme n/a
CREATE TABLE table_21501518_1 (week__number VARCHAR, theme VARCHAR)
SELECT week__number FROM table_21501518_1 WHERE theme = "N/A"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_21501518_1 (week__number VARCHAR, theme VARCHAR) Question: Which week is the theme n/a [/INST] SELECT week__number FROM table_21501518_1 WHERE theme = "N/A" </s>