Table: iaaf_2008_indoor_800m
Columns: heat
lane
name
country
mark

Question: What is the mark for the runner in lanes under 2 and heats under 5?
SQL: SELECT "mark" FROM iaaf_2008_indoor_800m WHERE "lane" < 2 AND "heat" < 5

Question: Who is in heat 5 from Guyana?
SQL: SELECT "name" FROM iaaf_2008_indoor_800m WHERE "heat" = 5 AND "country" = 'guyana'

Question: How many lanes was Khadevis Robinson in for heats over 2?
SQL: SELECT COUNT("lane") FROM iaaf_2008_indoor_800m WHERE "heat" > 2 AND "name" = 'khadevis robinson'