user: Question: What is the round 6+ that has Single as round 2, Double as round 4, from 1982?
Columns: ['From', 'Goal', 'Round 1', 'Round 2', 'Round 3', 'Round 4', 'Round 5', 'Round 6+']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1976.0, 200.0, 'Single', 'Single', 'Double', 'Double', 'Double', 'Double']
SQL:

assistant: SELECT "Round 6+" FROM "Table" WHERE "Round 2" = 'Single' AND "Round 4" = 'Double' AND "From" = 1982.0;