human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Year, Carries, Rushing Yards, Average, Touchdowns, Points
###Question: What is the total number of rushing yards associated with averages over 8.4 and fewer than 54 carries?
gpt
SELECT COUNT Rushing Yards FROM table WHERE Average > 8.4 AND Carries < 54