What is Score, when Outcome is "winner", when Partnering is "Nicole Sewell", and when Opponent in Final is "Victoria Davies / Kate Warne-Holland"?
CREATE TABLE "doubles_finals_36_18_18" (
  "outcome" text,
  "date" text,
  "location" text,
  "surface" text,
  "partnering" text,
  "opponent_in_final" text,
  "score" text
);
SELECT "score" FROM "doubles_finals_36_18_18" WHERE "outcome"='winner' AND "partnering"='nicole sewell' AND "opponent_in_final"='victoria davies / kate warne-holland';