Complex sentence: The creation of the style is credited to Raul and Michaela Duran who sold burritos from their meat market which in 1972 was converted into the La Cumbre Taqueria, and have dated the birth of the San Francisco burrito to September 29,1969.
Split into simpler sentences: The creation of the style is credited to Raul and Michaela Duran who sold burritos from their meat market, which, in 1972, they converted into the La Cumbre Taqueria. They date the birth of the San Francisco burrito to September 29,1969.