Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_21 ( manufacturer VARCHAR, finish VARCHAR, start VARCHAR )

### Question ###
Who was the maufacturer of the vehicle during the race where Cale Yarborough started at 19 and finished earlier than 42?

### Accurate SQL ###

SELECT manufacturer FROM table_name_21 WHERE finish < 42 AND start = 19