_analyze_tables_: commits, author

This data as json

table	column	total_rows	num_null	num_blank	num_distinct	most_common	least_common
commits	author	3284	8	0	87	[[9599, 3081], [49699333, 34], [45057, 20], [27856297, 17], ["None", 8], [21148, 7], [198537, 6], [3243482, 5], [2657547, 5], [25778, 4]]	[[15278512, 1], [16001974, 1], [17075617, 1], [22578954, 1], [28597217, 1], [29426418, 1], [32467826, 1], [32605365, 1], [56323389, 1], [72577720, 1]]