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_76650 ( "Rider" text, "Manufacturer" text, "Laps" text, "Time/Retired" text, "Grid" text )

### Question ###
What is the time/retired for the rider with the manufacturuer yamaha, grod of 1 and 21 total laps?

### Accurate SQL ###

SELECT "Time/Retired" FROM table_76650 WHERE "Laps" = '21' AND "Manufacturer" = 'yamaha' AND "Grid" = '1'