user: Question: with distribution of 20.6% what is the code name?
Columns: ['Version', 'Code name', 'Release date', 'API level', 'Distribution']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['4.4', 'KitKat', 'October 31, 2013', 19.0, '0%']
SQL:

assistant: SELECT "Code name" FROM "Table" WHERE "Distribution" = '20.6%';