human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Rank, Mine, County, Operator, Source of copper, 2012 Cu Production (lbs)
###Question: What's the name of the operator who has the mission complex mine and has a 2012 Cu Production (lbs) larger than 23.3?
gpt
SELECT Operator FROM table WHERE 2012 Cu Production (lbs) > 23.3 AND Mine = mission complex