What is the outcome of the match against Sylvia Hanika on a hard (i) surface?
CREATE TABLE "singles_37_19_18" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score_in_the_final" text
);
SELECT "outcome" FROM "singles_37_19_18" WHERE "opponent_in_the_final"='sylvia hanika' AND "surface"='hard (i)';