You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "The Sailing to Philadelphia Tour was performed by which British singer and record producer?" whose answer is Mark Freuder Knopfler.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Sailing to Philadelphia Tour performer
Useful Output:

Doc 1: “Sailing to Philadelphia” is actually a historical song centered on two individuals, Charles Mason (1728-1786) and Jeremiah Dixon (1733-1779).
Doc 2: Mark and band performing "Sailing To Philadelphia" live at an exclusive Prince's Trust event at London's Hurlingham Club on the 9th
Doc 3: World tour tickets on sale now - UK, EUROPE, US, CANADA, AUSTRALIA & NEW ZEALAND. Tickets available at https://passengermusic.com/live/
Doc 4: Mark plays 'Sailing To Philadelphia' for AC/DC frontman Brian Johnson, as part of his 2019 'A Life On The Road' series.
Doc 5: Some would suggest that Dire Straits grew to be little more than a backing band for frontman Mark Knopfler. But Knopfler's latest, Sailing