SCHEMA:
CREATE TABLE table_name_95 (car__number INTEGER, pos VARCHAR, team VARCHAR, driver VARCHAR)
USER:
Which Car # has a Team of hendrick motorsports, and a Driver of mark martin, and a Position larger than 4?

QUERY:
SELECT AVG(car__number) FROM table_name_95 WHERE team = "hendrick motorsports" AND driver = "mark martin" AND pos > 4