What was the total for David O'Callaghan, and a Tally of 1-9?
CREATE TABLE "single_game" (
  "rank" real,
  "player" text,
  "county" text,
  "tally" text,
  "total" real,
  "opposition" text
);
SELECT SUM("total") FROM "single_game" WHERE "player"='david o''callaghan' AND "tally"='1-9';