SELECT
  *
FROM ML.EVALUATE(MODEL `<project_id>.<dataset_id>.iris_model`,
                (
                 SELECT
                   CASE species
                     WHEN 'Iris-setosa' THEN 1
                     WHEN 'Iris-versicolor' THEN 2
                     WHEN 'Iris-virginica' THEN 3
                   END AS target,
                   sepal_length,
                   sepal_width,
                   petal_length,
                   petal_width
                 FROM `<project_id>.<dataset_id>.iris`
                ))

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