Question: What city or Raion (district) has 8,600 Bessarabian Bulgarians?
SQL: SELECT "Raion (district) or City" FROM "2-1138646-1" WHERE "Bessarabian Bulgarians" = '8,600';

Question: what is the Moldovans number when there are 14,200 Ukrainians?
SQL: SELECT "Moldovans" FROM "2-1138646-1" WHERE "Ukrainians" = '14,200';