CREATE TABLE table_47952 ("Date" TEXT, "Region" TEXT, "Label" TEXT, "Catalogue" TEXT, "Format" TEXT)

What is Date, when Format is Vinyl, and when Label is Mercury?
SELECT "Date" FROM table_47952 WHERE "Format" = 'vinyl' AND "Label" = 'mercury'
SELECT "Date" FROM "table_47952" WHERE "Format" = 'vinyl' AND "Label" = 'mercury'