What award was Denis Lawson nominated for in the Best Actor in a Musical category?
CREATE TABLE "2008_london_revival" (
  "year" real,
  "award" text,
  "category" text,
  "nominee" text,
  "result" text
);
SELECT "award" FROM "2008_london_revival" WHERE "category"='best actor in a musical' AND "nominee"='denis lawson';