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_24807406_1 (appearances INTEGER, starts VARCHAR)
### Question:
What is the appearance maximum if the starts is 18?
### Answer:
SELECT MAX(appearances) FROM table_24807406_1 WHERE starts = 18