Question: What is every value for Italian when the part is English?
SQL: SELECT "Italian" FROM "1-25401-15" WHERE "English" = 'part';

Question: What is every entry for Proto-Italo-Western 1 when door is English?
SQL: SELECT "Proto-Italo-Western 1" FROM "1-25401-15" WHERE "English" = 'door';

Question: How many entries for Italian correspond to the Conservative Central Italian of unu?
SQL: SELECT COUNT("Italian") FROM "1-25401-15" WHERE "Conservative Central Italian 1" = 'unu';

Question: What is every entry for Latin when Catalan is mar?
SQL: SELECT "Latin" FROM "1-25401-15" WHERE "Catalan" = 'mar';