What was the Quantity on Date 1900?
CREATE TABLE table_name_71 (quantity INTEGER, date VARCHAR)
SELECT SUM(quantity) FROM table_name_71 WHERE date = "1900"
### Context: CREATE TABLE table_name_71 (quantity INTEGER, date VARCHAR) ### Question: What was the Quantity on Date 1900? ### Answer: SELECT SUM(quantity) FROM table_name_71 WHERE date = "1900"