CREATE TABLE table_19417244_2 (directed_by VARCHAR2, us_viewers__millions_ VARCHAR2)

who directed the episode that have 14.59 million viewers
SELECT directed_by FROM table_19417244_2 WHERE us_viewers__millions_ = "14.59"
SELECT "directed_by" FROM "table_19417244_2" WHERE "14.59" = "us_viewers__millions_"