Table: federal_subjects_grp
Columns: rank_2008
federal_subjects
russian_name
2008_rub
2008_usd
2007_rub
2007_usd
2005_rub
2005_usd

Question: What is the minimum 2007 USD in Kabardino-Balkaria?
SQL: SELECT MIN("2007_usd") FROM federal_subjects_grp WHERE "federal_subjects" = 'Kabardino-Balkaria'

Question: What is the Russian name for the area with 139995 RUB in 2005?
SQL: SELECT "russian_name" FROM federal_subjects_grp WHERE "2005_rub" = 139995

Question: What is the 2008 USD figure for the subject with 2849 USD in 2005?
SQL: SELECT "2008_usd" FROM federal_subjects_grp WHERE "2005_usd" = 2849