How many WGA Award (TV) award recipients were born in the USA from 2009 to 2010?
WGA Award (TV) award refers to award_category = 'WGA Award (TV)'; born in the USA refers to birth_country = 'USA'; from 2009 to 2010 refers to birthdate BETWEEN '2019-01-01' and '2019-12-31'
SELECT COUNT(*) FROM Person AS T1 INNER JOIN Award AS T2 ON T1.name = T2.person WHERE T2.award_category = 'WGA Award (TV)' AND T1.birth_country = 'USA' AND T2.year BETWEEN 2009 AND 2010;