{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Sheet1"],"not_rendered":{"defined_names":9},"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":4,"n_cols":2,"rows_kept":4,"flags":["formulas_cached_only"]}
["Name","Age"]
[]
["John Smith",30]
["Ana Johnson",25]