CREATE TABLE table_17712 ("Name of System" CLOB, "Location" CLOB, "Traction Type" CLOB, "Date  ( From ) " CLOB, "Date  ( To ) " CLOB, "Notes" CLOB)

what is the date (from) where date (to) is 1919?
SELECT "Date (From)" FROM table_17712 WHERE "Date (To)" = '1919'
SELECT "Date (From)" FROM "table_17712" WHERE "Date (To)" = '1919'