Write SQL query to solve given problem: Among the countries whose GDP is over 1000000, how many of them have a population groth rate of over 3%?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T1.Country) FROM economy AS T1 INNER JOIN population AS T2 ON T1.Country = T2.Country WHERE T1.GDP > 1000000 AND T2.Population_Growth > 3