CREATE TABLE "selected_cognates" (
  "proto_slavic" text,
  "russian" text,
  "ukrainian" text,
  "belarusian" text,
  "polish" text,
  "czech" text,
  "slovak" text,
  "slovene" text,
  "serbo_croatian" text,
  "bulgarian" text,
  "macedonian" text
);

Question: When gniazdo is polish what is proto-slavic?
SQL: SELECT "proto_slavic" FROM "selected_cognates" WHERE "polish"='gniazdo';

Question: When рука / ruka is the serbo-croatian what is the macedonian?
SQL: SELECT "macedonian" FROM "selected_cognates" WHERE "serbo_croatian"='рука / ruka';

Question: When риба (ríba) is the macedonian what is the proto-slavic?
SQL: SELECT "proto_slavic" FROM "selected_cognates" WHERE "macedonian"='риба (ríba)';

Question: When  гн(иј)ездо / gn(ij)ezdo is the serbo-croatian how many proto-slavics are there?
SQL: SELECT COUNT("proto_slavic") FROM "selected_cognates" WHERE "serbo_croatian"='гн(иј)ездо / gn(ij)ezdo';

Question: When  рыба (rýba) is the belarusian how many slovenes are there?
SQL: SELECT COUNT("slovene") FROM "selected_cognates" WHERE "belarusian"='рыба (rýba)';

Question: When вуха (vúkha) is the belarusian how many slovaks are there?
SQL: SELECT COUNT("slovak") FROM "selected_cognates" WHERE "belarusian"='вуха (vúkha)';