Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_22187 ( "Year" real, "Car number" real, "Start" real, "Qual. speed" text, "Speed rank" real, "Finish" real, "Laps completed" real, "Laps led" real, "Race status" text, "Chassis" text )

### Question ###
What is the largest laps led with the lotus-ford 34/3 chassis?

### Accurate SQL ###

SELECT MAX("Laps led") FROM table_22187 WHERE "Chassis" = 'Lotus-Ford 34/3'