CREATE TABLE table_name_47 (points NUMBER, year VARCHAR2, chassis VARCHAR2)

Name the sumof points for year less than 1994 and chassis of lola lc89b
SELECT SUM(points) FROM table_name_47 WHERE year < 1994 AND chassis = "lola lc89b"
SELECT SUM("points") FROM "table_name_47" WHERE "chassis" = "lola lc89b" AND "year" < 1994