Table schema:
CREATE TABLE table_name_51 (heat INTEGER, time VARCHAR, name VARCHAR, nationality VARCHAR, rank VARCHAR)

Question: What was the lowest heat for Germany with a rank smaller than 9 for Mike Fenner and a time smaller than 13.52?
SQL: SELECT MIN(heat) FROM table_name_51 WHERE nationality = "germany" AND rank < 9 AND name = "mike fenner" AND time < 13.52