May I ask the SQL code as the follow

Movie(title, production year, country, run time, major genre) primary key : {title, production year} Person(id, first name, last name, year born) primary key : {id} Director(id, title, production year) primary key : {title, production year} foreign keys : [title, production year] Movie[title, production year] [id] Person[id] Writer(id, title, production year, credits) primary key : {id, title, production year} foreign keys : [title, production year] Movie[title, production year] [id] Person[id]

1.Who have directed at least two movies that were written by themselves (i.e., a director is one of the writers for the same movie)? Show their ids, first and last names. 2.Assume persons who were born in the same year are the same age and there is only one youngest person (with no ties/draws) in this database, who is/are the second youngest person(s) in the database? List the id(s) of the person(s). 3.A person has worked on a movie if this person is a director, a writer, or both a director and writer of this movie. Who has/have worked on the largest number of distinct movies in this database? List the id(s) of the person(s).