What is the nssdc id for Echo 1?
CREATE TABLE table_2150068_1 (nssdc_id VARCHAR, satellite VARCHAR)
SELECT nssdc_id FROM table_2150068_1 WHERE satellite = "Echo 1"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2150068_1 (nssdc_id VARCHAR, satellite VARCHAR) Question: What is the nssdc id for Echo 1? [/INST] SELECT nssdc_id FROM table_2150068_1 WHERE satellite = "Echo 1" </s>