bridge name location year completed total length carries
bridge name
location
year completed
total length
carries
address
number
first second first_number second_number
text address number unitnum(unitnum) text
old youngs bay bridge astoria, oregon 1921 1,766.2 feet (538.3 m) u.s. route 101
how many bridges were built in 1931 ?
WRB JJ NNS VBD-AUX VBN IN CD .
4
select count ( c1 ) from w where c3_number = 1931