code: public static Number numberFromSql(Connection connection, String sql, Object... args) throws SQLException
     {
        return OrmReader.numberFromSql(connection, sql, args);
     }
docs: Get a single Number from a SQL query, useful for getting a COUNT(), SUM(), MIN/MAX(), etc.
  from a SQL statement.  If the SQL query is parameterized, the parameter values can
  be passed in as arguments following the {@code sql} String parameter.
  
  @param connection a SQL connection object.
  @param sql a SQL statement string
  @param args optional values for a parameterized query
  @return the resulting number or {@code null}
  @throws SQLException if a {@link SQLException} occurs