user: Question: Which Season has a Mole of Frederique van der Wal?
Columns: ['Season', '# of Episodes', 'Host', 'Mole', 'Winner', 'Runner-up', 'Destinations']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 9.0, 'Anderson Cooper', 'Kathryn Price', 'Steven Cowles ($510,000)', 'Jim Morrison', 'United States , France , Monaco , Spain']
SQL:

assistant: SELECT "Season" FROM "Table" WHERE "Mole" = 'Frederique van der Wal';