Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_43 (opponent VARCHAR, record VARCHAR, location VARCHAR, method VARCHAR)
### Question:
What is Opponent, when Location is "Tokyo , Japan", when Method is "Decision (unanimous)", and when Record is "4-1"?
### Answer:
SELECT opponent FROM table_name_43 WHERE location = "tokyo , japan" AND method = "decision (unanimous)" AND record = "4-1"