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_77 (capacity INTEGER, margin VARCHAR)
### Question:
What's the lowest capacity when the margin is 03:30?
### Answer:
SELECT MIN(capacity) FROM table_name_77 WHERE margin = "03:30"