user: Question: How many original dance scores are listed in the event where the compulsory dance was 20.03? 
Columns: ['Event', 'Season', 'Compulsory Dance (CD)', 'Original Dance (OD)', 'Free Dance (FD)', 'Combined Total Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['European Figure Skating Championships', '2008 - 2009', '23.75', '44.56', '66.67', '134.98']
SQL:

assistant: SELECT COUNT("Original Dance (OD)") FROM "Table" WHERE "Compulsory Dance (CD)" = '20.03';