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_90 (weight__kg_ INTEGER, birthdate VARCHAR)
### Question:
What is that if the weight for the play born on June 2, 1983?
### Answer:
SELECT SUM(weight__kg_) FROM table_name_90 WHERE birthdate = "june 2, 1983"