user: Question: What is the infinitive stem that has a subjunctive present of ou?
Columns: ['Inf. Stem', 'Sing. Pres.', 'Plur. Pres.', 'Sing. Pret.', 'Plur. Pret.', 'Subj. Pres.', 'Subj. Pret.', 'Past Part.']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['î', 'î', 'î', 'ei', 'i', 'î', 'i', 'i']
SQL:

assistant: SELECT "Inf. Stem" FROM "Table" WHERE "Subj. Pres." = 'ou';