Question: What was the stake president when the organized date is April 18, 1965?
SQL: SELECT "Stake President" FROM "2-15978776-3" WHERE "Organized" = 'April 18, 1965';

Question: What is the organized section when the stake president was Henry John Platt?
SQL: SELECT "Organized" FROM "2-15978776-3" WHERE "Stake President" = 'Henry John Platt';