CREATE TABLE table_74428 ("Date" CLOB, "Episode" FLOAT, "Official rating 4+" CLOB, "Share 4+" CLOB, "Official rating 16-39" CLOB, "Share 16-39" CLOB)

what is the official rating 16-39 for the episode with a 16-39 share of 22,77%?
SELECT "Official rating 16-39" FROM table_74428 WHERE "Share 16-39" = '22,77%'
SELECT "Official rating 16-39" FROM "table_74428" WHERE "Share 16-39" = '22,77%'