What is accepted to be California's first official wine-producing vineyard?
Mission San Juan Capistrano is recognized as the location of California's first wine vineyard,  which was planted by Father Junípero Serra.
<START_INST>What is accepted to be California's first official wine-producing vineyard?<END_INST><START_CTX><END_CTX><START_A>Mission San Juan Capistrano is recognized as the location of California's first wine vineyard,  which was planted by Father Junípero Serra.<END_A>