for row in arcpy.da.SearchCursor(table, ['PID']):
if row[0] is not None:
        ID = row[0]
    break

arcpy.SelectLayerByAttribute_management(Table2, "NEW_SELECTION",'ID' == ID)

arcpy.management.SelectLayerByAttribute(Table2, "NEW_SELECTION", 'ID == {}'.format(ID))

arcpy.management.SelectLayerByAttribute(Table2, "NEW_SELECTION", 'ID == ' + str(ID))

arcpy.management.SelectLayerByAttribute(Table2, "NEW_SELECTION", 'ID == %s' % ID)

arcpy.management.SelectLayerByAttribute(Table2, "NEW_SELECTION", f'ID == {ID}')