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

{"sheet":"Sheet 1","index":0,"n_rows":3,"n_cols":2,"rows_kept":3,"flags":["formulas_cached_only"]}
["Name","Age"]
[]
["John Smith",20]