When was the percentage of trains arriving within 5 minutes of scheduled time 89.6%?
{'header': ['Period', '% trains arriving within 5 mins of scheduled time (over three months)', 'Change over same quarter the previous year', '% trains arriving within 5 mins of scheduled time Moving Annual Average (MAA)', 'Change over previous year as a whole'], 'page_title': '', 'section_title': '', 'caption': '', 'rows': [['Apr - Jun 2007', '91.4%', 'Up 0.8%', '89.0%', 'Up 0.2%'], ['Jul - Sep 2007', '93.0%', 'Up 2.2%', '89.6%', 'Up 0.7%'], ['Oct - Dec 2007', '87.3%', 'Up 2.8%', '90.1%', 'Up 0.6%'], ['Jan - Mar 2008', '90.5%', 'Up 2.0%', '90.6%', 'Up 0.6%'], ['Apr - Jun 2008', '93.6%', 'Up 2.4%', '91.1%', 'Up 0.6%'], ['Jul - Sep 2008', '92.8%', 'Down 0.2%', '91.0%', 'Up 0.4%'], ['Oct - Dec 2008', '86.5%', 'Down 0.9%', '90.9%', 'Up 0.3%'], ['Jan - Mar 2009', '89.6%', 'Down 1.0% >', '90.6%', 'Down 0.3%'], ['Apr - Jun 2009', '93.0%', 'Down 0.6%', '90.5%', 'Down 0.1%'], ['Jul - Sep 2009', '93.5%', 'Up 0.9%', '90.7%', 'Up 0.2%'], ['Oct - Dec 2009', '86.7%', 'Up 0.2%', '90.7%', 'Unchanged'], ['Jan - Mar 2010', '89.5%', 'Down 0.1%', '90.7%', 'Unchanged'], ['Jul - Sep 2010', '94.5%', 'Up 1.1%', '91.4%', 'Up 0.8%'], ['Oct - Dec 2010', '78.4%', 'Down 9.6%', '92.9%', 'Up 2.4%']]}