CREATE TABLE table_14345690_15 (uk_co_presenter VARCHAR(255), co_presenter VARCHAR(255), series VARCHAR(255))
Who is the UK co-presenters that have Joe Swash as a co-presenter of the series Eleven (2011)?
    
SQL: SELECT uk_co_presenter FROM table_14345690_15 WHERE co_presenter = "Joe Swash" AND series = "Eleven (2011)"