What was the final score agains Dynamo Kyiv, when the group position was 1st?
CREATE TABLE "group_stage" (
  "date" text,
  "opponents" text,
  "h_a" text,
  "result_f_a" text,
  "attendance" real,
  "group_position" text
);
SELECT "result_f_a" FROM "group_stage" WHERE "group_position"='1st' AND "opponents"='dynamo kyiv';