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_94 (score INTEGER, country VARCHAR, player VARCHAR)
### Question:
When Tom Purtzer of the United States played what is the maximum score?
### Answer:
SELECT MAX(score) FROM table_name_94 WHERE country = "united states" AND player = "tom purtzer"