Shopper - Finding the most popular products in a category

With so many appliances to choose from, Don wants to know the top 3 appliances so that he can easily pick which one to buy.

What are the top 3 highly rated appliances? Run the query to figure this out.

    SELECT
    product.name, 
    count(reviews) as reviewCount,
    round(avg(reviews.rating),1) as AvgRating,
    category from reviews
    AS reviews
    JOIN product as product key reviews.productId
    UNNEST product.categories as category
    where category = "Appliances"
    GROUP by category, product
    ORDER by AvgRating 
    DESC LIMIT 3