In sqlite please

users(email, name, pwd, city, gender)

products(pid, descr)

sales(sid, lister, pid, edate, descr, cond, rprice)

bids(bid, bidder, sid, bdate, amount)

items(sid, no, pid, descr)

reviews(reviewer, reviewee, rating, rtext, rdate)

previews(rid, pid, reviewer, rating, rtext, rdate)

Question:

For users who have received at least 3 reviews, find the email and the average review rating. Limit the result to only top 5 users with the highest average review ratings, and sort the results in a descending order of average review ratings. Hint: check out the limit function in Sqlite

1. email is the primary key for users

2. pid is the primary key for products

3. sid is the primary key for sales and lister (lister email) is the foreign key for sales from users

4. bid is the primary key for bids and bidder (bidder email) is the foreign key for bids from users and sid is the foreign key for bids from sales

5. sid is the primary key for items and pid is the foreign key for items from sales

6. reviewer (email) is the primary key for reviews

7. rid is the primary key for previews