CREATE TABLE table_42878 ("Episode" CLOB, "Rating" FLOAT, "Share" FLOAT, "Rating/Share  ( 18-49 ) " CLOB, "Viewers  ( millions ) " FLOAT, "Rank  ( Timeslot ) " CLOB, "Rank  ( Night ) " CLOB, "Rank  ( Week ) " CLOB)

What is the weekly rank for the episode with a share over 7 and a rating/share of 2.3/7?
SELECT "Rank (Week)" FROM table_42878 WHERE "Share" > '7' AND "Rating/Share (18-49)" = '2.3/7'
SELECT "Rank (Week)" FROM "table_42878" WHERE "Rating/Share (18-49)" = '2.3/7' AND "Share" > '7'