What is the id of the project with least number of documents?
CREATE TABLE Documents (project_id VARCHAR)
SELECT TOP 1 project_id FROM Documents GROUP BY project_id ORDER BY COUNT(*)
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE Documents (project_id VARCHAR) Question: What is the id of the project with least number of documents? [/INST] SELECT TOP 1 project_id FROM Documents GROUP BY project_id ORDER BY COUNT(*) </s>