Question:
Which employer did Juan Cuevas Perales work for in Apr, 1827?

Context:
 Juan Cuevas Perales works for Valencia Cathedral from Jan, 1833 to Jan, 1855. 
 Juan Cuevas Perales works for Collegiate Basilica of Xàtiva from Jan, 1818 to Jan, 1825. 
 Juan Cuevas Perales works for Toledo Cathedral from Jan, 1825 to Jan, 1826. 
 Juan Cuevas Perales works for Tortosa Cathedral from Jan, 1817 to Jan, 1818. 
 Juan Cuevas Perales works for Mezquita Catedral from Jan, 1826 to Jan, 1833.

Answer:
Mezquita Catedral