human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Model, Launch, Model Number, Code name, Fab ( nm ), Bus interface, Memory ( MiB ), Core ( MHz ), Memory ( MHz ), Config core 1, Pixel ( GP /s), Texture ( GT /s), Bandwidth ( GB /s), Bus type 2, Bus width ( bit ), Processing Power GFLOPs, DirectX, OpenGL, TDP (Watts) GPU only
###Question: What was the model's DirectX if it has a Core of 700 700 mhz?
gpt
SELECT DirectX FROM table WHERE Core ( MHz ) = 700 700