user: Question: How many countries have 2 current drivers as of March 20, 2010?
Columns: ['Country', 'Total Drivers', 'Champions', 'Championships', 'Current March 20, 2010', 'First driver(s)', 'Last/Current driver(s) March 20, 2010']
Types: ['text', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: ['Bahrain', 1.0, 0.0, 0.0, 0.0, 'Hamad Al Fardan ( 2008–09 )', 'Hamad Al Fardan ( 2008–09 )']
SQL:

assistant: SELECT COUNT("Total Drivers") FROM "Table" WHERE "Current March 20, 2010" = 2.0;