How many routine inspections did Tiramisu Kitchen have?
Tiramisu Kitchen is the name of the business; routine inspections refer to type = 'Routine - Unscheduled';
SELECT COUNT(T1.business_id) FROM inspections AS T1 INNER JOIN businesses AS T2 ON T1.business_id = T2.business_id WHERE T1.type = 'Routine - Unscheduled' AND T2.name = 'Tiramisu Kitchen'