When  гн(иј)ездо / gn(ij)ezdo is the serbo-croatian how many proto-slavics are there?
CREATE TABLE table_26757_4 (proto_slavic VARCHAR, serbo_croatian VARCHAR)
SELECT COUNT(proto_slavic) FROM table_26757_4 WHERE serbo_croatian = "гн(иј)ездо / gn(ij)ezdo"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26757_4 (proto_slavic VARCHAR, serbo_croatian VARCHAR) Question: When  гн(иј)ездо / gn(ij)ezdo is the serbo-croatian how many proto-slavics are there? [/INST] SELECT COUNT(proto_slavic) FROM table_26757_4 WHERE serbo_croatian = "гн(иј)ездо / gn(ij)ezdo" </s>