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: O'Brien joined An Tur Gloine in 1906, beginning her career there by designing Angel of the Annunciation window Link Information: An Tur Gloine (; Irish for "The Glass Tower") was a cooperative studio for stained glass and opus sectile artists from 1903 until 1944 Question: How many years after the organization was established did O'Brien begin her career there by Designing Angel of the Annunciation window?
Answer: 3