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_54 (country VARCHAR, place VARCHAR, player VARCHAR)
### Question:
Which country has is Len Mattiace in T10 place?
### Answer:
SELECT country FROM table_name_54 WHERE place = "t10" AND player = "len mattiace"