barcelona catalonia apply referendum law call declaration independence referendum show majority favor catalan leader carles puigdemont say television program broadcast late sunday declaration independence call unilateral declaration independence foresee referendum law application result apply law say puigdemont say program catalonia tv3 accord excerpt broadcaster website catalan government say 90 percent people vote oct. referendum vote favor independence spain referendum declare illegal spanish authorities turnout 43 percent catalan law pave way referendum say parliament catalonia would declare region independence within 48 hours yes vote proclaim catalan electoral office catalonia apply referendum law call independence declaration leader