code: def select(self, query: ast.Select) -> pd.DataFrame:
      package_name = self.get_package_name(query)
      connection = self.handler.connection(package_name)
      metadata = connection.get_cols_in(
          ["collected", "metadata"], ["optionalDependencies"]
      )
      records = (
          [
              {"optional_dependency": d, "version": v}
              for d, v in metadata["optionalDependencies"].items()
          ]
          if metadata.get("optionalDependencies")
          else [{}]
      )
      df = pd.DataFrame.from_records(records)
      return self.apply_query_params(df, query)
  
imports: from typing import List
  import pandas
  from mindsdb_sql.parser import ast
  from mindsdb.integrations.handlers.utilities.query_utilities import SELECTQueryExecutor, SELECTQueryParser
  from mindsdb.integrations.libs.api_handler import APIHandler, APITable
  from mindsdb.integrations.utilities.sql_utils import conditions_to_filter
label_desc: Use image node_id 2 for calling the NPMOptionalDependenciesTable obj's underlying member method code with example usage: obj.select(query) and returns: self