user: Question: Name the total number for race caller for Bob Costas and Charlsie Cantey
Columns: ['Year', 'Network', 'Race caller', 's Host', 's Analyst', 'Reporters', 'Trophy presentation']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2009.0, 'NBC', 'Tom Durkin', 'Bob Costas and Tom Hammond', 'Gary L. Stevens , Mike Battaglia and Kenny Rice', 'Kenny Rice and Donna Barton Brothers', 'Bob Costas and Mike Battaglia']
SQL:

assistant: SELECT COUNT("Race caller") FROM "Table" WHERE "Trophy presentation" = 'Bob Costas and Charlsie Cantey';