$1.$ Write SQL Queries and expected output for the following $($Marks : $10)$

a$.$ How many addresses are from state CA$?$

b$.$ List full name with users having last name as $$Potter$.$

c$.$ List users who had the most number of checkouts

d$.$ Which book did not have a review? List the book name

e$.$ Increase the rating by $5$ for all reviews

f$.$ Which book with the highest rating has not been returned?