CREATE TABLE table_name_89 (grid VARCHAR(255), laps VARCHAR(255), time_retired VARCHAR(255), driver VARCHAR(255))
How much Grid has a Time/Retired of +1 lap, and a Driver of sébastien bourdais, and Laps larger than 70?
    
SQL: SELECT COUNT(grid) FROM table_name_89 WHERE time_retired = "+1 lap" AND driver = "sébastien bourdais" AND laps > 70