
+--------+-------+------------+-------+
| w      | x     | y          | z     |
+========+=======+============+=======+
| 143002 | 1.43  | 1972-09-08 | True  |
+--------+-------+------------+-------+
| 201399 | 201.4 | 1970-08-03 | True  |
+--------+-------+------------+-------+
| 100188 | 0.13  | 1970-11-06 | False |
+--------+-------+------------+-------+ 
