Table: gymnastics_2008_qual_3
Columns: position
gymnast
a_score
b_score
total

Question: What is the A score when the B score is more than 9.15 and the gymnast was in the 2nd position?
SQL: SELECT SUM("a_score") FROM gymnastics_2008_qual_3 WHERE "b_score" > 9.15 AND "position" = '2nd'