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_21 (score VARCHAR, rank VARCHAR)
### Question:
What is the lowest first half when the score is larger than 621 and the rank 35?
### Answer:
SELECT MIN(1 AS st_half) FROM table_name_21 WHERE score > 621 AND rank = 35