What's the earliest year anybody joined the hockey league? 
CREATE TABLE table_16384648_2 (joined_tschl INTEGER)
SELECT MIN(joined_tschl) FROM table_16384648_2
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_16384648_2 (joined_tschl INTEGER) Question: What's the earliest year anybody joined the hockey league?  [/INST] SELECT MIN(joined_tschl) FROM table_16384648_2 </s>