CREATE TABLE table_23177573_1 (rank__week_ VARCHAR, written_by VARCHAR)

What was the week ranking of the episode written by Russel Friend & Garrett Lerner?
SELECT rank__week_ FROM table_23177573_1 WHERE written_by = "Russel Friend & Garrett Lerner"
SELECT "rank__week_" FROM "table_23177573_1" WHERE "Russel Friend & Garrett Lerner" = "written_by"