Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_44262 ( "Stage (Winner)" text, "General Classification" text, "Young Classification" text, "Sprint Classification" text, "Aggressive Rider" text, "Team Classification" text )

### Question ###
Which young classification has an aggressive rider of Tim Johnson?

### Accurate SQL ###

SELECT "Young Classification" FROM table_44262 WHERE "Aggressive Rider" = 'tim johnson'