CREATE TABLE table_26757_4 (proto_slavic VARCHAR2, serbo_croatian VARCHAR2)

When ( ) / gn(ij)ezdo is the serbo-croatian how many proto-slavics are there?
SELECT COUNT(proto_slavic) FROM table_26757_4 WHERE serbo_croatian = "гн(иј)ездо / gn(ij)ezdo"
SELECT COUNT("proto_slavic") FROM "table_26757_4" WHERE "serbo_croatian" = "гн(иј)ездо / gn(ij)ezdo"