Which year did Ray Crawford the Kurtis Kraft 500g chassis?
CREATE TABLE table_name_70 (year VARCHAR, chassis VARCHAR)
SELECT year FROM table_name_70 WHERE chassis = "kurtis kraft 500g"
### Context: CREATE TABLE table_name_70 (year VARCHAR, chassis VARCHAR) ### Question: Which year did Ray Crawford the Kurtis Kraft 500g chassis? ### Answer: SELECT year FROM table_name_70 WHERE chassis = "kurtis kraft 500g"