Who was the runner-up, when the champion was Björn Borg after 1978?
CREATE TABLE table_name_66 (runner_up VARCHAR, champion VARCHAR, year VARCHAR)
SELECT runner_up FROM table_name_66 WHERE champion = "björn borg" AND year > 1978
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_66 (runner_up VARCHAR, champion VARCHAR, year VARCHAR) Question: Who was the runner-up, when the champion was Björn Borg after 1978? [/INST] SELECT runner_up FROM table_name_66 WHERE champion = "björn borg" AND year > 1978 </s>