Table: tickford_1998
Columns: class
team
drivers
laps
qual_pos

Question: Who are the drivers with 133 laps in OC class?
SQL: SELECT "drivers" FROM tickford_1998 WHERE "laps" = 133 AND "class" = 'oc'

Question: What are the most laps for the Qual position of 7 in the OC class?
SQL: SELECT MAX("laps") FROM tickford_1998 WHERE "class" = 'oc' AND "qual_pos" = 7

Question: What are Perkins Engineering's fewest laps?
SQL: SELECT MIN("laps") FROM tickford_1998 WHERE "team" = 'perkins engineering'

Question: Which class has a Qual position of 30?
SQL: SELECT "class" FROM tickford_1998 WHERE "qual_pos" = 30