Solve the following sql problem:
How many movies starring Morgan Freeman are suggested by parental guidance?

Schema:
SCHEMA:
- Table: actor
  - Column: ActorID
    - Samples: [1, 2, 3, 4, 5]
  - Column: Name
    - Samples: [John Travolta, Kirstie Alley, Olympia Dukakis, George Segal, Abe Vigoda]
  - Column: Date of Birth
    - Samples: [1954-02-18, 1951-01-12, 1931-06-20, 1934-02-13, 1921-02-24]
  - Column: Birth City
    - Samples: [Englewood, Wichita, Lowell, Great Neck, Brooklyn]
  - Column: Birth Country
    - Samples: [USA, USA, USA, USA, USA]
  - Column: Height (Inches)
    - Samples: [74, 67, 63, 71, 73]
  - Column: Biography
    - Samples: [John Joseph Travolta was born in Englewood, New Jersey, one of six chi..., None, Long a vital, respected lady of the classic and contemporary stage thi..., None, None (truncated)]
  - Column: Gender
    - Samples: [Male, Female, Female, Male, Male]
  - Column: Ethnicity
    - Samples: [White, White, White, White, White]
  - Column: NetWorth
    - Samples: [$250,000,000.00, $40,000,000.00, $6,000,000.00, $10,000,000.00, $10,000,000.00]
- Table: movie
  - Column: MovieID
    - Samples: [1, 2, 3, 4, 5]
  - Column: Title
    - Samples: [Look Who's Talking, Driving Miss Daisy, Turner & Hooch, Born on the Fourth of July, Field of Dreams]
  - Column: MPAA Rating
    - Samples: [PG-13, PG, PG, R, PG]
  - Column: Budget
    - Samples: [7500000, 7500000, 13000000, 14000000, 15000000]
  - Column: Gross
    - Samples: [296000000, 145793296, 71079915, 161001698, 84431625]
  - Column: Release Date
    - Samples: [1989-10-12, 1989-12-13, 1989-07-28, 1989-12-20, 1989-04-21]
  - Column: Genre
    - Samples: [Romance, Comedy, Crime, War, Drama]
  - Column: Runtime
    - Samples: [93, 99, 100, 145, 107]
  - Column: Rating
    - Samples: [5.9, 7.4, 7.2, 7.2, 7.5]
  - Column: Rating Count
    - Samples: [73638, 91075, 91415, 91415, 101702]
  - Column: Summary
    - Samples: [After a single, career-minded woman is left on her own to give birth t..., An old Jewish woman and her African-American chauffeur in the American..., Det. Scott Turner (Tom Hanks) is an uptight, by-the-book police office..., The biography of Ron Kovic. Paralyzed in the Vietnam war, he becomes a..., An Iowa corn farmer, hearing voices, interprets them as a command to b... (truncated)]
- Table: characters
  - Column: MovieID
    - Samples: [1, 1, 1, 1, 1]
  - Column: ActorID
    - Samples: [1, 2, 3, 4, 5]
  - Column: Character Name
    - Samples: [James, Mollie, Rosie, Albert, Grandpa]
  - Column: creditOrder
    - Samples: [1, 2, 3, 4, 5]
  - Column: pay
    - Samples: [None, None, None, None, None]
  - Column: screentime
    - Samples: [None, None, None, None, None]

SELECT COUNT(*) FROM movie AS T1 INNER JOIN characters AS T2 ON T1.MovieID = T2.MovieID INNER JOIN actor AS T3 ON T3.ActorID = T2.ActorID WHERE T3.Name = 'Morgan Freeman' AND T1.`MPAA Rating` = 'PG'