CREATE TABLE table_39558 ("Paul McCartney" TEXT, "Stuart" TEXT, "McIntosh" TEXT, "Whitten" TEXT, "Linda McCartney" TEXT)

Which Paul McCartney has a Linda McCartney of keyboards?
SELECT "Paul McCartney" FROM table_39558 WHERE "Linda McCartney" = 'keyboards'
SELECT "Paul McCartney" FROM "table_39558" WHERE "Linda McCartney" = 'keyboards'