human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Rank, Name, Tenure, Leagues, Attempts, Completions, Comp %, Touchdowns, Interceptions, Yardage, QB Rating
###Question: What is the rank when there are more than 4,123 completion and the comp percentage is more than 65.6?
gpt
SELECT SUM Rank FROM table WHERE Completions > 4,123 AND Comp % > 65.6