CREATE TABLE table_name_17 (laps INT, year VARCHAR, co_drivers VARCHAR, class VARCHAR)

Name the sum of Laps for co-drivers of oliver gavin jan magnussen and class of gts with year less than 2004
SELECT SUM(laps) FROM table_name_17 WHERE co_drivers = "oliver gavin jan magnussen" AND class = "gts" AND year < 2004
SELECT SUM("laps") FROM "table_name_17" WHERE "class" = "gts" AND "co_drivers" = "oliver gavin jan magnussen" AND "year" < 2004