How many years has Sasol Jordan Yamaha as an Entrant?
CREATE TABLE table_name_79 (year INTEGER, entrant VARCHAR)
SELECT AVG(year) FROM table_name_79 WHERE entrant = "sasol jordan yamaha"
### Context: CREATE TABLE table_name_79 (year INTEGER, entrant VARCHAR) ### Question: How many years has Sasol Jordan Yamaha as an Entrant? ### Answer: SELECT AVG(year) FROM table_name_79 WHERE entrant = "sasol jordan yamaha"