Write the following queries in relational algebra, using the schema provided for the MOVIES database.

ACTOR (actor_id, first_name, last_name, last_update)

LANGUAGE (language_id, name, last_update)

CATEGORY (category_id, name, last_update)

FILM (film_id, title, description, release_year, language_id, length, rating, last_update)

FILM_ACTOR(actor_id, film_id, last_update)

FILM_CATEGORY (film_id, category_id, last_update)

COMMENTS (review_id, film_id, reviewer_name, comment, score, last_update)

Please answer in Relational Algebra NOT MySQL

1.1. Find all the Actors last names with a First name (alphabetically) minor than MICHELLE and the Last Name (alphabetically) bigger than WILBUR and with actor id minor or equals to 160.

2. Find the Film title from all the movies in the Japanese and filmed after 1995.

3. Find the Title and the Year of the movies with actors that HAVE NOT acted in any movie in Japanese.

4. Find the last name from all the actors with first name KENDRICK that act in movies with at least a comment from Mando99 and at the same time without comments from James22

5. Retrieve the title of all the Movies in the Sports category, rated R and without actors with a last name bigger or equal than TERRY (alphabetically).

6. Find all the movie titles with actors called BILL OR actors called JOSEPH and, at the same time, with comments from 'Mando99'.

7. Find the actors name and last name having movies in all the categories.