What engine had a JBW chassis in 1960?
CREATE TABLE table_name_49 (engine VARCHAR, chassis VARCHAR, year VARCHAR)
SELECT engine FROM table_name_49 WHERE chassis = "jbw" AND year = 1960
### Context: CREATE TABLE table_name_49 (engine VARCHAR, chassis VARCHAR, year VARCHAR) ### Question: What engine had a JBW chassis in 1960? ### Answer: SELECT engine FROM table_name_49 WHERE chassis = "jbw" AND year = 1960