Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Who has a Team classification of la vie claire, a stage of 20, a General classification of greg lemond?

### Inputs:
table_name: table, columns: ['Stage', 'Winner', 'General classification', 'Points classification', 'Young rider classification', 'Team classification']

### Response:
SELECT Winner FROM table WHERE Team classification = la vie claire AND General classification = greg lemond AND Stage = 20