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_92 (engine VARCHAR, year VARCHAR, chassis VARCHAR)

### Question ###
Which engine from 1973 has a Brabham bt37 chassis?

### Accurate SQL ###

SELECT engine FROM table_name_92 WHERE year = 1973 AND chassis = "brabham bt37"