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_21511 ( "Fin. Pos" real, "Car No." real, "Driver" text, "Team" text, "Laps" real, "Time/Retired" text, "Grid" real, "Laps Led" real, "Points" text )

### Question ###
How many car numbers were recorded when the time/retired is +4.0019?

### Accurate SQL ###

SELECT COUNT("Car No.") FROM table_21511 WHERE "Time/Retired" = '+4.0019'