He met Doug Sahm , his future collaborator in the Texas Tornadoes , at a battle of the bands in 1960 , on the roof of San Antonio 's Town Twin Drive-In .
Doug Sahm /people/person/place_of_birth San Antonio
Texas /location/location/contains San Antonio
PRP VBD NNP NNP , PRP$ JJ NN IN DT NNP NNP , IN DT NN IN DT NNS IN CD , IN DT NN IN NNP NNP POS NNP NNP NNP .
Doug Sahm
PERSON
San Antonio
LOCATION
/people/person/place_of_birth
Texas
LOCATION
San Antonio
LOCATION
/location/location/contains