Table schema:
CREATE TABLE table_name_84 (round INTEGER, record VARCHAR, method VARCHAR, location VARCHAR)

Question: What is the total number of Round with a Method of submission (ankle lock), a Location of tokyo, japan, and a Record of 13-5-2?
SQL: SELECT SUM(round) FROM table_name_84 WHERE method = "submission (ankle lock)" AND location = "tokyo, japan" AND record = "13-5-2"