<|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|>When 21' 18.87 106.209mph is Tuesday August 24th what is Monday August 23rd?

SQL Table Create Statement:
CREATE TABLE table_26986076_5 (mon_23_aug VARCHAR, tues_24_aug VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT mon_23_aug FROM table_26986076_5 WHERE tues_24_aug = "21' 18.87 106.209mph"</codeend><|end|>