text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_22713796_14 (stage INTEGER, winner VARCHAR, general_classification VARCHAR, team_classification VARCHAR)
  ### Question:
  Name the most stage for alejandro valverde and astana greg henderson
  ### Answer:
  SELECT MAX(stage) FROM table_22713796_14 WHERE general_classification = "Alejandro Valverde" AND team_classification = "Astana" AND winner = "Greg Henderson"