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'.
Q: Context: Despite this reversal, the two have managed to carve a successful television career for themselves, hosting various programmes on the BBC, most notably Saturday morning children's shows Link Information: They made their national television debut on ITV1. Question: Which network was broadcasting first, the one Sam & Mark hosted Saturday morning children's shows on, or the network they made their debut on?
A:
Answer: 1922