<|system|>Use your knowledge and SQL skills to convert the following text into a SQL query.
Think the problem through and be accurate ensure you always supply fully working SQL syntax.

SQL Statments should be wrapped in <codestart type="sql"> and </codeend> tags.

Example output:
<codestart type="sql">SELECT * FROM table_name;</codeend>
<codestart type="sql">SELECT column_name FROM table_name WHERE column_name = 'value';</codeend><|end|><|user|>What is the Birthdate for the person with a height less than 191, and weight of 84 kg?

SQL Table Create Statement:
CREATE TABLE table_name_23 (birthdate VARCHAR, height__cm_ VARCHAR, weight__kg_ VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT birthdate FROM table_name_23 WHERE height__cm_ < 191 AND weight__kg_ = 84</codeend><|end|>