The EVA that started on 8 July 12:38 went for how long?
CREATE TABLE table_name_83 (duration VARCHAR, start_date_time VARCHAR)
SELECT duration FROM table_name_83 WHERE start_date_time = "8 july 12:38"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_83 (duration VARCHAR, start_date_time VARCHAR) Question: The EVA that started on 8 July 12:38 went for how long? [/INST] SELECT duration FROM table_name_83 WHERE start_date_time = "8 july 12:38" </s>