Question: How many triple-header rounds occurred after the first non-championship round on the 4.304 km motorsport race track named after the Rodriguez racing drivers, before its finish in 2016?
Sentence (from "Autódromo Hermanos Rodríguez"): Since 2015 the track once again is a host of the Formula One Mexican Grand Prix, an event it previously hosted in two separarate time periods on a different layout, the last occasion of which was in 1992.
Relevant evidence: No