Task: Explanation
Input (English): Mark Freuder Knopfler, {'1': ", '2': ", '3': ", '4': "} (born 12 August 1949) is a British singer-songwriter, guitarist, record producer and film score composer. He was born in Glasgow but raised near Newcastle upon Tyne, England. He is best known for having been the lead guitarist, lead singer and songwriter for the rock band Dire Straits, which he co-founded with his younger brother, David Knopfler, in 1977. Question: The Sailing to Philadelphia Tour was performed by which British singer and record producer? Answer: Mark Freuder Knopfler
Output (English): Mark Freuder Knopfler, {1: , 2: , 3: , 4: } born 12 August 1949 is a British singersongwriter, guitarist, record producer and film score composer.