user: Question: What is the Voges-Proskauer reading for Proteus mirabilis?
Columns: ['Species', 'Indole', 'Methyl Red', 'Voges-Proskauer', 'Citrate']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Escherichia coli', 'Positive', 'Positive', 'Negative', 'Negative']
SQL:

assistant: SELECT "Voges-Proskauer" FROM "Table" WHERE "Species" = 'Proteus mirabilis';