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_17802778_1 (team VARCHAR, average_speed__mph_ VARCHAR)

### Question ###
What team(s) enjoyed an average spped (mph) of 138.14?

### Accurate SQL ###

SELECT team FROM table_17802778_1 WHERE average_speed__mph_ = "138.14"