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_25602 ( "No." real, "Season" real, "Bowler" text, "Batsmen" text, "For" text, "Against" text, "Ground" text, "Scorecard" text )

### Question ###
How many sesason were there when for is deccan chargers and bowler is amit mishra?

### Accurate SQL ###

SELECT COUNT("Season") FROM table_25602 WHERE "For" = 'Deccan Chargers' AND "Bowler" = 'Amit Mishra'