Table:
text: Enactment of the Constitution of Ireland
Plebiscite
Plebiscite
Constituency Electorate Votes Turnout Spoilt Percent_Yes
Dublin County 83457 58855 70.5 3114 48.3
Galway East 49476 34642 70.0 3320 67.9
Galway West 42796 26141 61.1 2071 74.1
Kerry North 48621 35533 73.1 3384 66.2
Kerry South 35390 26325 74.4 3094 58.8
Kilkenny 40900 33589 82.1 2917 55.2
Leitrim 36368 27551 75.8 6539 59.9
Leix–Offaly 60945 48344 79.3 4973 59.2
Limerick 81397 66078 81.2 8937 61.6
Louth 38570 30311 78.6 2297 58.3
Mayo North 38170 25934 67.9 1787 65.8
Mayo South 59999 42205 70.3 4246 58.6
Meath–Westmeath 61654 49094 79.6 2804 59.6
Monaghan 36469 31511 86.4 3215 57.2
Roscommon 42103 32170 76.4 3779 54.5
Sligo 36516 28475 78.0 5779 47.5

text: Enactment of the Constitution of Ireland
Plebiscite
Plebiscite
Constituency Electorate Votes Turnout Spoilt Percent_Yes
Tipperary 82727 67656 81.8 4839 55.4
Waterford 51596 41192 79.8 2496 57.2
Wexford 61486 48366 78.7 4846 53.1
Wicklow 38171 29875 78.3 5789 47.4

Question: Under the enactment of the Constitution of Ireland, what is the lowest electorate with 31,511 votes and percent yes less than 57.2?