What is Date, when Tournament, is Greenbrier Classic?
CREATE TABLE table_name_83 (date VARCHAR, tournament VARCHAR)
SELECT date FROM table_name_83 WHERE tournament = "greenbrier classic"
### Context: CREATE TABLE table_name_83 (date VARCHAR, tournament VARCHAR) ### Question: What is Date, when Tournament, is Greenbrier Classic? ### Answer: SELECT date FROM table_name_83 WHERE tournament = "greenbrier classic"