Solve the following sql problem:
Please list the villains of all the movies directed by Wolfgang Reitherman.

Schema:
SCHEMA:
- Table: characters
  - Column: movie_title
    - Samples: [Snow White and the Seven Dwarfs, Pinocchio, Fantasia, Dumbo, Bambi]
  - Column: release_date
    - Samples: [21-Dec-37, 7-Feb-40, 13-Nov-40, 23-Oct-41, 13-Aug-42]
  - Column: hero
    - Samples: [Snow White, Pinocchio, None, Dumbo, Bambi]
  - Column: villian
    - Samples: [Evil Queen, Stromboli, Chernabog, Ringmaster, Hunter]
  - Column: song
    - Samples: [Some Day My Prince Will Come, When You Wish upon a Star, None, Baby Mine, Love Is a Song]
- Table: director
  - Column: name
    - Samples: [Snow White and the Seven Dwarfs, Pinocchio, Fantasia, Dumbo, Bambi]
  - Column: director
    - Samples: [David Hand, Ben Sharpsteen, full credits, Ben Sharpsteen, David Hand]
- Table: movies_total_gross
  - Column: movie_title
    - Samples: [Snow White and the Seven Dwarfs, Pinocchio, Fantasia, Song of the South, Cinderella]
  - Column: release_date
    - Samples: [Dec 21, 1937, Feb 9, 1940, Nov 13, 1940, Nov 12, 1946, Feb 15, 1950]
  - Column: genre
    - Samples: [Musical, Adventure, Musical, Adventure, Drama]
  - Column: MPAA_rating
    - Samples: [G, G, G, G, G]
  - Column: total_gross
    - Samples: [$184,925,485, $84,300,000, $83,320,000, $65,000,000, $85,000,000]
  - Column: inflation_adjusted_gross
    - Samples: [$5,228,953,251, $2,188,229,052, $2,187,090,808, $1,078,510,579, $920,608,730]
- Table: revenue
  - Column: Year
    - Samples: [1991, 1992, 1993, 1994, 1995]
  - Column: Studio Entertainment[NI 1]
    - Samples: [2593.0, 3115.0, 3673.4, 4793.0, 6001.5]
  - Column: Disney Consumer Products[NI 2]
    - Samples: [724.0, 1081.0, 1415.1, 1798.2, 2150.0]
  - Column: Disney Interactive[NI 3][Rev 1]
    - Samples: [None, None, None, None, None]
  - Column: Walt Disney Parks and Resorts
    - Samples: [2794.0, 3306.0, 3440.7, 3463.6, 3959.8]
  - Column: Disney Media Networks
    - Samples: [None, None, None, 359, 414]
  - Column: Total
    - Samples: [6111, 7502, 8529, 10414, 12525]
- Table: voice-actors
  - Column: character
    - Samples: [Abby Mallard, Abigail Gabble, Abis Mal, Abu, Achilles]
  - Column: voice-actor
    - Samples: [Joan Cusack, Monica Evans, Jason Alexander, Frank Welker, None]
  - Column: movie
    - Samples: [Chicken Little, The Aristocats, The Return of Jafar, Aladdin, The Hunchback of Notre Dame]

SELECT T2.villian FROM director AS T1 INNER JOIN characters AS T2 ON T1.name = T2.movie_title WHERE T1.director = 'Wolfgang Reitherman' AND T2.villian IS NOT NULL