public boolean deleteStatment(String stat) {
		StringTokenizer str = new StringTokenizer(stat);
		if (!str.hasMoreTokens())
			return false;

		String firstWord = str.nextToken();
		if (firstWord.equalsIgnoreCase("delete")) {
			if (!str.hasMoreTokens())
				return false;

			String secondWord = str.nextToken();
			if (secondWord.equalsIgnoreCase("from")) {
				if (!str.hasMoreTokens())
					return false;

				tableName = str.nextToken();
				
				if (!str.hasMoreTokens())
					return false;
				
				String forthWord = str.nextToken();

				if (forthWord.equalsIgnoreCase("where")) {
					// parameter
					String line = "";
					while (str.hasMoreTokens()) {
						line += str.nextToken();
					}
					line = line.replaceAll("'", "").replaceAll("\"", "")
							.replace(";", "");
					boolean check = getvar(line);

					// String fieldName = str.nextToken();
					// String relation = str.nextToken();
					// String value = str.nextToken().replaceAll("'",
					// "").replaceAll("\"", "");
					// entry = new Field(fieldName, value, relation.charAt(0));
					return check;
				}

			}

		}
		return false;

	}