Use this SQL database for the question:

act id movild role gentle Y act_id act_frame act_name act_gender char (20) char (20) char (20) char (1) director MOV dird dirname dir name Integer char (20) char (20) Pmov id movitte chiar (50) mov year mov time mo lang char (50) mov dt nel date mov rel country char (5) integer derd 18 lege Macalings intege mov id 18 rev me char (30) 2. Write the SQL queries for the following items, considering the SQL Optimization Techniques studied in classes. a. List all the actors who have not acted in any movie between 1990 and 2000. b. Find how many movies are there in each genre