Funso (Chichewa): Ndi boma liti lomwe linakolola tomato wochuluka munyengo zonse?
Question (English): Which district had the highest total tomatoes yield across all seasons?
Table: production (difficulty: easy)
SQL: SELECT district, SUM(yield) AS Sum_yield FROM production WHERE crop = 'Tomatoes';
Result: [('Balaka', 565840.67)]