Table: harbin_data
Columns: name
hanzi
hanyu_pinyin
population_2010_11_01
area_km
density_km

Question: What is the Pinyin for 依兰县?
SQL: SELECT "hanyu_pinyin" FROM harbin_data WHERE "hanzi" = '依兰县'

Question: What is the Pinyin for the item that has a density of 77?
SQL: SELECT "hanyu_pinyin" FROM harbin_data WHERE "density_km" = '77'

Question: What is the population for the area that has a Hanzi of 延寿县?
SQL: SELECT "population_2010_11_01" FROM harbin_data WHERE "hanzi" = '延寿县'

Question: What is the population as of 11-01-2010 for Bayan County?
SQL: SELECT "population_2010_11_01" FROM harbin_data WHERE "name" = 'bayan county'

Question: What is the Hanzi for píngfáng qū?
SQL: SELECT "hanzi" FROM harbin_data WHERE "hanyu_pinyin" = 'píngfáng qū'