Task: Text to Code
Input (English): Step 1: For each row in appellations table, find the corresponding rows in wine table.
Step 2: find the number of rows of each value of appellations's Appelation in the results of step 1.
Step 3: find Winery in the results of step 1 whose corresponding value in step 2 is greater than or equals 4
Output (English): SELECT T2.Winery FROM appellations AS T1 JOIN wine AS T2 ON T1.Appelation = T2.Appelation GROUP BY T1.Appelation HAVING Count ( * ) > = 4