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_44066 ( "Season" text, "Games" real, "Yellow Cards" real, "Red Cards" real, "Average Cards a game" real )

### Question ###
Which Yellow Cards has a Season of 1999/2000?

### Accurate SQL ###

SELECT AVG("Yellow Cards") FROM table_44066 WHERE "Season" = '1999/2000'