_analyze_tables_: issues, comments

This data as json

table	column	total_rows	num_null	num_blank	num_distinct	most_common	least_common
issues	comments	3044	0	0	44	[[1, 758], [0, 572], [2, 477], [3, 351], [4, 214], [5, 129], [6, 105], [7, 78], [9, 57], [8, 57]]	[[30, 1], [33, 1], [34, 1], [36, 1], [40, 1], [42, 1], [47, 1], [49, 1], [51, 1], [55, 1]]