Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | English title | Chinese title | Average | Peak | Premiere | Finale | HK viewers |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Beyond the Realm of Conscience | 宮心計 | 35.0 | 50.0 | 33.0 | 35.0 | 2.26 million |
| 2.0 | Rosy Business | 巾幗梟雄 | 33.0 | 47.0 | 28.0 | 39.0 | 2.11 million |
| 3.0 | Burning Flame III | 烈火雄心3 | 33.0 | 38.0 | 33.0 | 34.0 | 2.10 million |
| 4.0 | You're Hired | 絕代商驕 | 32.0 | 40.0 | 31.0 | 36.0 | 2.05 million |
| 5.0 | D.I.E. Again | 古靈精探B | 31.0 | 38.0 | 29.0 | 33.0 | 1.98 million |
| 6.0 | E.U. | 學警狙擊 | 30.0 | 43.0 | 29.0 | 34.0 | 1.92 million |
| 7.0 | The Threshold of a Persona | ID精英 | 30.0 | 41.0 | 28.0 | 32.0 | 1.92 million |
| 8.0 | A Chip Off the Old Block | 巴不得爸爸... | 30.0 | 37.0 | 31.0 | 28.0 | 1.90 million |
| 9.0 | A Bride for a Ride | 王老虎抢亲 | 30.0 | 34.0 | 30.0 | 31.0 | 1.90 million |
Question:
What was the maximum average of the episode with a Chinese title 古靈精探b?
Answer:
31.0