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_22496344_1 (weight INTEGER, _number VARCHAR)
### Question:
What is the weight when 20 is the number?
### Answer:
SELECT MAX(weight) FROM table_22496344_1 WHERE _number = 20