name mineral opened closed years connected notes
name
mineral
opened
closed
years connected
notes
number parsed year
number parsed year
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
text text date date timespan text
blaen y cwm slate 1820 1911 1876-1911 connected to the ffr via the rhiwbach tramway
looking at the top of the table , what is the name of the first quarry listed , and what year did it close ?
VBG IN DT NN IN DT NN , WP VBD-AUX DT NN IN DT JJ NN VBN , CC WDT NN VBD-AUX PRP VB .
Blaen y Cwm|1911
select c1 , c4 from w where id = 1