Given the task definition and input, reply with output. In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Context: Population densities of mistletoebirds recorded around Australia vary from 0 to 2 birds per hectare with a mean of 0.35 birds per hectare (in areas unaffected by agriculture), where the largest concentration was found in the Kakadu National Park, Northern Territory. Link Information: It covers an area of 19804 km2, extending nearly 200 kilometres from north to south and over 100 kilometres from east to west. Question: What is the size of the park where the largest concentration of Mistletoebirds can be found?
Answer: 19804 km2