Question: On a daily basis, how many people ride the subway system in the city where Spectre was filmed, after filming occurred in the place where Giovanni Gronchi died?

<P0-S0> the barefoot mailman is a comedy-adventure film starring robert cummings and distributed by columbia pictures in 1951. the film was based on the 1943 novel "the barefoot mailman" by theodore pratt. <P0-S1> filmed in super cinecolor on location in florida where the events take place, it features many elements of the western. <SEP> <P1-S0> The World Bank has sponsored a project to curb air pollution through public transport improvements and the Mexican government has started shutting down polluting factories. <P1-S1> They have phased out diesel buses and mandated new emission controls on new cars; since 1993 all new cars must be fitted with a catalytic converter, which reduces the emissions released. <P1-S2> Today it has over 201 km (125 mi) of track and carries over 5 million people every day. <P1-S3> Trucks must use only liquefied petroleum gas (LPG). <P1-S4> Also construction of an underground rail system was begun in 1968 in order to help curb air pollution problems and alleviate traffic congestion. <P1-S5> Fees are kept low to encourage use of the system and during rush hours the crush is so great, that authorities have reserved a special carriage specifically for women. <P1-S6> Due to these initiatives and others, the air quality in Mexico City has begun to improve, with the air becoming cleaner since 1991, when the air quality was declared to be a public health risk for 355 days of the year. <P1-S7> [citation needed] <SEP> <P2-S0> The unhappy Tambroni experiment tarnished Gronchi’s reputation for good, and until the end of his period of office he remained a lame-duck President. <P2-S1> In 1962 he attempted to get a second mandate, with the powerful help of Enrico Mattei, but the attempt failed and Antonio Segni was elected instead. <P2-S2> He died in Rome on 17 October 1978 at the age of 91. <P2-S3> As he ceased to be Head of State, he became a life senator by right, according to the Italian Constitution. <SEP> <P3-S0> after wrapping up in england, production travelled to morocco in june, with filming taking place in oujda, tangier and erfoud, after preliminary work was completed by the production's second unit. <P3-S1> an explosion filmed in morocco holds a guinness world record for the "largest film stunt explosion" in cinematic history, with the record credited to production designer chris corbould. <P3-S2> principal photography concluded on 5 july 2015. a wrap-up party for spectre was held in commemoration before entering post-production. <P3-S3> filming took 128 days. <SEP> <P4-S0> With filming completed in Rome, production moved to Mexico City in late March to shoot the film's opening sequence, with scenes to include the Day of the Dead festival filmed in and around the Zócalo and the Centro Histórico district. <P4-S1> The planned scenes required the city square to be closed for filming a sequence involving a fight aboard a Messerschmitt-Bölkow-Blohm Bo 105 helicopter flown by stunt pilot Chuck Aaron, which called for modifications to be made to several buildings to prevent damage. <P4-S2> This particular scene in Mexico required 1,500 extras, 10 giant skeletons and 250,000 paper flowers. <P4-S3> Reports in the Mexican media added that the film's second unit would move to Palenque in the state of Chiapas, to film aerial manoeuvres considered too dangerous to shoot in an urban area.