Complex sentence: Almost the entire town is devoted to the production of jamón ibérico, where the biggest producer is 5J Sánchez Romero Carvajal; the town's main square is called "La plaza del Jamón".
Split into simpler sentences: Almost the entire town is devoted to the production of jamón ibérico; the biggest producer is 5J Sánchez Romero Carvajal. The town's main square is called "La plaza del Jamón".