Complex sentence: Alberto Villalta Avila (born 16 January 1940) is a former football player from El Salvador who represented his country at the 1970 FIFA World Cup in Mexico and at the 1968 Summer Olympics also in Mexico.
Split into simpler sentences: Alberto Villalta Avila (born 16 January 1940) is a former football player from El Salvador. He represented his country at the 1970 FIFA World Cup in Mexico and at the 1968 Summer Olympics also in Mexico.