1. Open your csv file with Excel Microsoft.
2. Select "Find & Replace".
3. Find " ' " and replace with null space. (in order to deleting them all in huge amount of data.)
4. Save the Excel as a csv file again.

• The Problem with Weka will be solved.

Example: Schindler's List -> NOT ACCEPTED IN WEKA

Schindlers List or Schindler s List -> ACCEPTED