What is the A score when the B score is more than 9.15 and the gymnast was in the 2nd position?
CREATE TABLE "parallel_bars_event_final_qualifiers" (
  "position" text,
  "gymnast" text,
  "a_score" real,
  "b_score" real,
  "total" real
);
SELECT SUM("a_score") FROM "parallel_bars_event_final_qualifiers" WHERE "b_score">9.15 AND "position"='2nd';