Database: food_inspection_2
Question: Please list the full names of the sanitarians who did at least one inspection in May, 2010.
SQL: SELECT DISTINCT T1.first_name, T1.last_name FROM employee AS T1 INNER JOIN inspection AS T2 ON T1.employee_id = T2.employee_id WHERE strftime('%Y-%m', T2.inspection_date) = '2010-05' AND T1.title = 'Sanitarian'