CREATE TABLE table_name_98 (entrant VARCHAR, year VARCHAR, chassis VARCHAR)

Name the entrant for year less than 1990 and chassis of eurobrun er189
SELECT entrant FROM table_name_98 WHERE year < 1990 AND chassis = "eurobrun er189"
SELECT "entrant" FROM "table_name_98" WHERE "chassis" = "eurobrun er189" AND "year" < 1990