Input (grade 11): In 1983 he was elected president of Sinn Féin and became the first Sinn Féin MP elected to the British House of Commons since Phil Clarke and Tom Mitchell in the mid-1950s.
Output (grade 9): In 1983 he was elected president of Sinn Féin and became the first Sinn Féin MP elected to the British House of Commons since the 1950s.