Table schema:
CREATE TABLE table_name_12 (entrant VARCHAR, pts VARCHAR, year VARCHAR, engine VARCHAR)

Question: Before 1987, what is the Entrant with bmw straight-4 (t/c) as Engine and a great than 2 Pts?
SQL: SELECT entrant FROM table_name_12 WHERE year < 1987 AND engine = "bmw straight-4 (t/c)" AND pts > 2