user: Question: How many species does the sternidae family have worldwide with less than 9 species on Réunion?
Columns: ['Species', 'Order', 'Family', 'Species worldwide', 'Species on Réunion']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['Albatrosses', 'Procellariiformes', 'Diomedeidae', 21.0, 6.0]
SQL:

assistant: SELECT "Species worldwide" FROM "Table" WHERE "Family" = 'sternidae' AND "Species on Réunion" < 9.0;