user: Question: What is the organized date of the stake with an occupation of senior buyer for Wal-Mart?
Columns: ['Stake', 'Organized', 'Wards/ Branches in Arkansas', 'Stake President', 'Occupation']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Fort Smith Arkansas', 'April 30, 1978', 5.0, 'Glenn Richard Titsworth', 'realtor for American Equity Realty']
SQL:

assistant: SELECT "Organized" FROM "Table" WHERE "Occupation" = 'senior buyer for Wal-Mart';