Q: 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: after a brief period as an independent kingdom, the British established the Colony of Fiji in 1874 Link Information: his son Seru Epenisa, known as "Cakobau", or "destroyer of Bau".

Seru Cakobau ruled the short lived Kingdom of Fiji (18711874) as Tui Viti, and the title became synonymous with him Question: How many years was Fiji an independent kingdom before it became a British Colony?
A:
Answer: 3