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:
| Class | Part 1 | Part 2 | Part 3 | Part 4 | Verb meaning |
| --- | --- | --- | --- | --- | --- |
| 1 | *rīdaną | *raid | *ridun | *ridanaz | to ride |
| 2a | *freusaną | *fraus | *fruzun | *fruzanaz | to freeze |
| 2b | *lūkaną | *lauk | *lukun | *lukanaz | to close, to shut |
| 3a | *bindaną | *band | *bundun | *bundanaz | to bind |
| 3b | *werþaną | *warþ | *wurdun | *wurdanaz | to become |
| 4 | *beraną | *bar | *bērun | *buranaz | to bear |
| 5 | *lesaną | *las | *lēzun | *lezanaz | to gather |
| 6 | *alaną | *ōl | *ōlun | *alanaz | to grow, to mature |
Question:
Which class has *alanaz as Part 4?
Answer:
6.0