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_94 (entrant VARCHAR, chassis VARCHAR, year VARCHAR)

### Question ###
What entrant had a chassis of Maserati 250f in 1954?

### Accurate SQL ###

SELECT entrant FROM table_name_94 WHERE chassis = "maserati 250f" AND year = 1954