user: Question: How many TFR were there in 2006 when the GFR was 53.8?
Columns: ['County', 'Live births 2006', 'GFR 2006', 'TFR 2006', 'Whites as % of Pop.']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Rutland UA', 391.0, '61.7', '2.81', '98.10%']
SQL:

assistant: SELECT COUNT("TFR 2006") FROM "Table" WHERE "GFR 2006" = '53.8';