CREATE TABLE table_name_91 (field_goals NUMBER, touchdowns VARCHAR2, points VARCHAR2)

How many field goals are there that have 8 touchdowns and more than 49 points?
SELECT SUM(field_goals) FROM table_name_91 WHERE touchdowns = 8 AND points > 49
SELECT SUM("field_goals") FROM "table_name_91" WHERE "points" > 49 AND "touchdowns" = 8