CREATE TABLE table_name_15 (paul_mccartney VARCHAR, linda_mccartney VARCHAR)

Which Paul McCartney has a Linda McCartney of keyboards or drum?
SELECT paul_mccartney FROM table_name_15 WHERE linda_mccartney = "keyboards or drum"
SELECT "paul_mccartney" FROM "table_name_15" WHERE "keyboards or drum" = "linda_mccartney"