Question: Who's the poll source that claimed the Lead Margin was 17 and the Democrat: Jay Nixon had 54% of the votes?
SQL: SELECT "Poll Source" FROM "1-17538810-10" WHERE "Democrat: Jay Nixon" = '54%' AND "Lead Margin" = '17';

Question: What poll source claimed that Republican: Kenny Hulshof had 43%?
SQL: SELECT "Poll Source" FROM "1-17538810-10" WHERE "Republican: Kenny Hulshof" = '43%';

Question: How many different lead margins were stated in the poll administered on September 11, 2008?
SQL: SELECT COUNT("Lead Margin") FROM "1-17538810-10" WHERE "Dates administered" = 'September 11, 2008';

Question: What percentage was claimed that Republican: Kenny Hulshof got in the poll that also claimed Democrat: Jay Nixon got 48%?
SQL: SELECT "Republican: Kenny Hulshof" FROM "1-17538810-10" WHERE "Democrat: Jay Nixon" = '48%';