user: Question: What is the lowest group to earn 886.6 points?
Columns: ['Rank', 'Member Association', 'Points', 'Group stage', 'Play-off', 'AFC Cup']
Types: ['real', 'text', 'text', 'real', 'real', 'real']
Sample row: [1.0, 'Japan', '946.8', 4.0, 0.0, 0.0]
SQL:

assistant: SELECT MIN("Group stage") FROM "Table" WHERE "Points" = '886.6';