Misc: what did jack the ripper sign on his first note?

Questions

Ron Howard's directed his first film in 1977. What was it called?

She has been nominated for best actress 12 times, winning only once (for 'Sophie's Choice')?

She played "Police Woman"?

Simpsons Cartoon : Before Maggie's conception, Homer quit the Power Plant to work here.?

Simpsons Cartoon : Homer works the night shift at this place to pay for Lisa's pony.?