human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: iWork version, Keynote version, Pages version, Numbers version, Release date
###Question: What's the latest keynote version of version 2.3 of numbers with pages greater than 4.3?
gpt
SELECT MAX Keynote version FROM table WHERE Numbers version = 2.3 AND Pages version > 4.3