What is the intro date for the throughput of 16 mbit/s?
CREATE TABLE table_29778616_1 (intro_date VARCHAR, throughput VARCHAR)
SELECT intro_date FROM table_29778616_1 WHERE throughput = "16 Mbit/s"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29778616_1 (intro_date VARCHAR, throughput VARCHAR) Question: What is the intro date for the throughput of 16 mbit/s? [/INST] SELECT intro_date FROM table_29778616_1 WHERE throughput = "16 Mbit/s" </s>