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_63 (gold INTEGER, nation VARCHAR, rank VARCHAR)
### Question:
What is the lowest Gold, when Nation is Canada, and when Rank is greater than 4?
### Answer:
SELECT MIN(gold) FROM table_name_63 WHERE nation = "canada" AND rank > 4