how many furnitures on the table
select count ( * ) from furniture
what about the highest price of furniture
select t1.name from furniture as t1 join furniture_manufacte as t2 on t1.furniture_id = t2.furniture_id order by t2.price_in_dollar desc limit 1
what is highest num of component?
select num_of_component from furniture order by num_of_component desc limit 1