human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: RR Romaja, M–R Romaja, Hangul/Chosongul, Hanja, Area, Capital, Region, Country
###Question: What is the M-R Romaja for the province having a capital of Cheongju?
gpt
SELECT M–R Romaja FROM table WHERE Capital = cheongju