Table: olympic_trampoline_women
Columns: rank
gymnast
difficulty_score
routine_score
total

Question: What is the total with lower than rank 8, and higher than 27.6 score and 13.8 difficulty?
SQL: SELECT MIN("total") FROM olympic_trampoline_women WHERE "rank" > 8 AND "routine_score" > 27.6 AND "difficulty_score" = '13.8'