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:
| Year | Title | Peak chart positions\nAUS | Peak chart positions\nNZ | Album |
| --- | --- | --- | --- | --- |
| 1988 | "Whisper" | 58 | 42 | The Sound Of Trees |
| 1988 | "Love-Hate Relationship" | 81 | 46 | The Sound Of Trees |
| 1989 | "This Illusion" | — | — | The Sound Of Trees |
| 1990 | "OK Alright A Huh O Yeah" | 74 | — | OK Alright A Huh O Yeah |
| 1991 | "Heroes Let You Down" | — | — | OK Alright A Huh O Yeah |
Question:
which single by schnell fenster reached the band's highest position on the new zealand peak chart?
Answer:
"Whisper"