         end AS var_end,
         INTEGER(FLOOR(start / 5000)) AS bin,
         reference_bases,
-        #SUM(called_count) AS variant_called_count,
       FROM ( FLATTEN((
-        # _LIMIT the query to SNPs
         SELECT
           call.call_set_name,
           reference_name as chromosome,

    Chr = '17'
    AND Start BETWEEN 41196311
      AND 41277499 ) AS ref 

JOIN (
SELECT
        call.call_set_name AS call_set_name,

 SELECT
  vars.call_set_name AS sample_name,
  ref.chromosome AS chromosome,
  ref.start AS start,
  vars.var_end AS end,
  ref.reference_bases AS reference_bases,
FROM (
  SELECT  
    CONCAT('chr', Chr) AS chromosome,
