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_54 (team VARCHAR, driver VARCHAR, rounds VARCHAR, engine VARCHAR)

### Question ###
what is the team when the rounds is all engine is mercedes hwa and driver is sam abay?

### Accurate SQL ###

SELECT team FROM table_name_54 WHERE rounds = "all" AND engine = "mercedes hwa" AND driver = "sam abay"