Table: obsolete_russian_units_2
Columns: unit
russian
ratio
metric_value
avoirdupois_value

Question: What Metric value has a Unit of dolia?
SQL: SELECT "metric_value" FROM obsolete_russian_units_2 WHERE "unit" = 'dolia'

Question: What Russian has a Ratio of 40?
SQL: SELECT "russian" FROM obsolete_russian_units_2 WHERE "ratio" = '40'

Question: What Avoirdupois value has a Russian of берковец?
SQL: SELECT "avoirdupois_value" FROM obsolete_russian_units_2 WHERE "russian" = 'берковец'

Question: What Russian has an Avoirdupois value of 0.686 gr?
SQL: SELECT "russian" FROM obsolete_russian_units_2 WHERE "avoirdupois_value" = '0.686 gr'

Question: What Unit has a Ratio of 1/32?
SQL: SELECT "unit" FROM obsolete_russian_units_2 WHERE "ratio" = '1/32'

Question: What Ratio has a Unit of zolotnik?
SQL: SELECT "ratio" FROM obsolete_russian_units_2 WHERE "unit" = 'zolotnik'