Question: John McCusker from Before The Ruin has toured with which guitarist from a top-selling 80s band?
Sentence (from "Mark Knopfler"): Mark Freuder Knopfler, {'1': ", '2': ", '3': ", '4': "} (born 12 August 1949) is a British singer-songwriter, guitarist, record producer and film score composer.
Relevant evidence: No