Emily Locke as a teenager hit by car

Here we see Emily Locke as a teenager as well as her mother, John Locke's grandmother. She is in her room listening to the Buddy Holly song "Everyday" when her mom comes in and asks her if she is going out with "him." I assume him means Anthony Cooper (or whatever is real name is). She runs out into the street in the rain and gets hit by a car.

Lostpedia has the date of John's birth listed as May 30, 1956, but the Buddy Holly song "Everyday" wasn't released as a b-side to "Peggy Sue" until 1957. Was the song placement a mistake or is John's date-of-birth wrong?

Also, who was driving the car that hit Emily? Was is similar to the experience Anthony Copper claims to have had when he was brought to the island?