CREATE TABLE table_30902 ("Episode" FLOAT, "First Air Date" CLOB, "Rating  ( 18\\u201349 ) " CLOB, "Share  ( 18\\u201349 ) " FLOAT, "Viewers  ( millions ) " CLOB, "Rank  ( timeslot ) " CLOB)

When there are 9.28 million viewers what is the share (18-49)?
SELECT "Share (18\u201349)" FROM table_30902 WHERE "Viewers (millions)" = '9.28'
SELECT "Share (18\u201349)" FROM "table_30902" WHERE "Viewers (millions)" = '9.28'