user: Question: What is Cabinet, when Year is after 1981, when Fractievoorzitter is "Hans van Mierlo", and when Chair is "W.I.J.M. Vrijhoef"?
Columns: ['Year', 'Lijsttrekker', 'Fractievoorzitter', 'Cabinet', 'Chair']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1966.0, 'no elections', 'none', 'extra-parliamentary', 'Hans van Mierlo']
SQL:

assistant: SELECT "Cabinet" FROM "Table" WHERE "Year" > 1981.0 AND "Fractievoorzitter" = 'Hans van Mierlo' AND "Chair" = 'W.I.J.M. Vrijhoef';