SELECT
  COUNT(*) AS number_of_latino_visitors, pva.total_members
FROM l2f_test_program_visit_household_member_ethnicity_types AS pvhmet
LEFT JOIN l2f_test_data_types AS dt
  ON pvhmet.ethnicity_type_id = dt.id
LEFT JOIN l2f_test_program_visit_household_members AS pvhm
  ON pvhmet.program_visit_household_member_id = pvhm.id
LEFT JOIN l2f_test_program_visit_activities AS pva
  ON pvhm.program_visit_activity_id = pva.id
LEFT JOIN l2f_test_programs AS p
  ON pva.program_id = p.id
WHERE dt.name = 'hispanic_latino'
  AND pva.visit_date BETWEEN '2020-01-01' AND '2020-12-31'
  AND p.type = 'csfp_food_bank'
GROUP BY pva.total_members;