What year had a 1st round playoff in the NASL indoor league?
CREATE TABLE table_name_6 (year VARCHAR, playoffs VARCHAR, league VARCHAR)
SELECT year FROM table_name_6 WHERE playoffs = "1st round" AND league = "nasl indoor"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_6 (year VARCHAR, playoffs VARCHAR, league VARCHAR) Question: What year had a 1st round playoff in the NASL indoor league? [/INST] SELECT year FROM table_name_6 WHERE playoffs = "1st round" AND league = "nasl indoor" </s>