Who was the Premier of Pakistan after the 1937 elections?

Who was the Premier of Pakistan after the 1937 elections?

انتخابات 1937 کے بعد پاکستان کا وزیراعظم کون تھا؟
Explanation

After the 1937 elections, Sir Sikandar Hayat Khan was the Premier of Punjab,

In office: 5 April 1937 – 26 December 1942

Preceded by: Office established

Succeeded by: Malik Khizar Hayat Tiwana