Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_32902 ( "Stage" text, "Winner" text, "General classification" text, "Points classification" text, "Young rider classification" text, "Team classification" text )

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

### Accurate SQL ###

SELECT "Winner" FROM table_32902 WHERE "Team classification" = 'la vie claire' AND "General classification" = 'greg lemond' AND "Stage" = '20'