CREATE TABLE table_19751479_4 (fastest_lap VARCHAR(255), rnd VARCHAR(255), pole_position VARCHAR(255))
How many races had #99 gainsco/bob stallings racing in round 10?
    
SQL: SELECT COUNT(fastest_lap) FROM table_19751479_4 WHERE rnd = 10 AND pole_position = "#99 GAINSCO/Bob Stallings Racing"