How to Execute Stored Procedure ORACLE with EF Core 5?

To try execute this method launch this error:

Microsoft.EntityFrameworkCore.Database.Command[20102]
  Failed executing DbCommand (165ms) [Parameters=[], CommandType='Text', CommandTimeout='0']
  EXEC SYSTEM.CLIENTESLISTA

Microsoft.EntityFrameworkCore.Infrastructure[0]
  2021-03-08 10:19:14.220792 ThreadID:4   (ERROR)   OracleExecutionStrategy.ExecuteAsync() : 

Oracle.ManagedDataAccess.Client.OracleException (0x80004005): ORA-00900: invalid SQL statement

public class Query
{
    [UseDbContext(typeof(DataContext))]
    public IQueryable<Cliente> GetClientes([ScopedService] DataContext dataContext) 
    {

        //List<Cliente> list;
        string sql = "EXEC SYSTEM.CLIENTESLISTA";
   
        var cliente = dataContext.CLIENTE.FromSqlRaw(sql);

        return cliente;
        //return dataContext.CLIENTE;
    }

Libraries Using:

Hot Chocolate 11.0 Net Core 5 Framework

execute-stored-procedure-oracle-with-ef-core-5 does not exist, stored procedures work with micro-orm libraries (Dapper).

EF5 Queries work directly SQL calls