CREATE TABLE "singles_37_19_18" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score_in_the_final" text
);

Question: What was the date when Steffi Graf was the opponent in the final and the score was 2–6, 0–6?
SQL: SELECT "date" FROM "singles_37_19_18" WHERE "opponent_in_the_final"='steffi graf' AND "score_in_the_final"='2–6, 0–6';

Question: What was the surface where the outcome was winner on 12 march 1989?
SQL: SELECT "surface" FROM "singles_37_19_18" WHERE "outcome"='winner' AND "date"='12 march 1989';

Question: What was the outcome of the Tournament of lugano , switzerland wta virginia slims, against bonnie gadusek?
SQL: SELECT "outcome" FROM "singles_37_19_18" WHERE "tournament"='lugano , switzerland wta virginia slims' AND "opponent_in_the_final"='bonnie gadusek';

Question: What is the outcome of the match against Sylvia Hanika on a hard (i) surface?
SQL: SELECT "outcome" FROM "singles_37_19_18" WHERE "opponent_in_the_final"='sylvia hanika' AND "surface"='hard (i)';