public int getEloGuild(String guildname, String nomdelacolonne) {
		int value = 0;
		try {
			PreparedStatement q = connection.prepareStatement("SELECT uuid FROM playerguild WHERE guildname = ?");
			q.setString(1, guildname);
			ResultSet res = q.executeQuery();

			while (res.next()) {
				String s = res.getString("uuid");
				Main.guild.add(s);
			}

			q.close();

		} catch (SQLException e) {
			e.printStackTrace();
		}

		for(String uuid : Main.guild) {
			try {
				String stat = "SELECT " + nomdelacolonne + " FROM stats WHERE uuid = ?";
				PreparedStatement q = connection.prepareStatement(stat);
				q.setString(1, uuid);
				ResultSet res = q.executeQuery();
				while (res.next()) {
					int valeur = res.getInt(nomdelacolonne);
					value += valeur;
				}
				q.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		if(Main.guild.size() != 0) {
			value = value / Main.guild.size();
		}
		Main.guild.clear();
		return value;
	}