What is the number of installments of the app with the highest total Sentiment polarity score?
installments refers to Installs; highest total sentiment polarity score = MAX(SUM(Sentiment_Polarity));
SELECT T1.Installs FROM playstore AS T1 INNER JOIN user_reviews AS T2 ON T1.App = T2.App GROUP BY T1.App ORDER BY SUM(T2.Sentiment_Polarity) DESC LIMIT 1