Table: korea_provinces_2
Columns: rr_romaja
m_r_romaja
hangul_chosongul
hanja
area
capital
region
country

Question: Which capital has a Hangul of 경상남도?
SQL: SELECT "capital" FROM korea_provinces_2 WHERE "hangul_chosongul" = '경상남도'

Question: Which country has a city with a Hanja of 平安北道?
SQL: SELECT "country" FROM korea_provinces_2 WHERE "hanja" = '平安北道'

Question: What is the RR Romaja for the province that has Hangul of 강원도 and capital of Wonsan?
SQL: SELECT "rr_romaja" FROM korea_provinces_2 WHERE "hangul_chosongul" = '강원도' AND "capital" = 'wonsan'

Question: What is the area for the province having Hangul of 경기도?
SQL: SELECT "area" FROM korea_provinces_2 WHERE "hangul_chosongul" = '경기도'

Question: What is the M-R Romaja for the province having a capital of Cheongju?
SQL: SELECT "m_r_romaja" FROM korea_provinces_2 WHERE "capital" = 'cheongju'