user: Question: Which class has *alanaz as Part 4?
Columns: ['Class', 'Part 1', 'Part 2', 'Part 3', 'Part 4', 'Verb meaning']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1', '*rīdaną', '*raid', '*ridun', '*ridanaz', 'to ride']
SQL:

assistant: SELECT "Class" FROM "Table" WHERE "Part 4" = '*alanaz';