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_19662262_6 ( economy_rate VARCHAR, strike_rate VARCHAR )

### Question ###
What is the economy when the strike rate is 54.0?

### Accurate SQL ###

SELECT economy_rate FROM table_19662262_6 WHERE strike_rate = "54.0"