Table schema:
CREATE TABLE table_name_10 (crew_chief VARCHAR, team VARCHAR, driver_s_ VARCHAR)

Question: Who is the crew chief of team Chip Ganassi Racing with Felix Sabates, which has Casey Mears as the driver?
SQL: SELECT crew_chief FROM table_name_10 WHERE team = "chip ganassi racing with felix sabates" AND driver_s_ = "casey mears"