user: Question: Name the archive for run time of 23:55
Columns: ['Episode', 'Broadcast date', 'Run time', 'Viewers (in millions)', 'Archive']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['" Episode One "', '20May1972', '25:04', '7.6', 'PAL colour conversion']
SQL:

assistant: SELECT "Archive" FROM "Table" WHERE "Run time" = '23:55';