Table: airport_traffic_6
Columns: year
lansing_lan
detroit_dtw
grand_rapids_grr
flint_fnt
kalamazoo_azo
saginaw_mbs

Question: What is the fare to Kalamazoo during the time frame when Saginaw's was $481.39?
SQL: SELECT "kalamazoo_azo" FROM airport_traffic_6 WHERE "saginaw_mbs" = '$481.39'

Question: When Lansing's fare is $433.59, what is the Detroit fare?
SQL: SELECT "detroit_dtw" FROM airport_traffic_6 WHERE "lansing_lan" = '$433.59'

Question: At a Saginaw fare of $470.47, what is the fare to Lansing?
SQL: SELECT "lansing_lan" FROM airport_traffic_6 WHERE "saginaw_mbs" = '$470.47'

Question: During the year when Lansing's fare is $433.59, what is the fare to Kalamazoo?
SQL: SELECT "kalamazoo_azo" FROM airport_traffic_6 WHERE "lansing_lan" = '$433.59'

Question: When Saginaw's fare is $470.47, what was the fare to Grand Rapids?
SQL: SELECT "grand_rapids_grr" FROM airport_traffic_6 WHERE "saginaw_mbs" = '$470.47'

Question: When Grand Rapids's fare was $377.29, what is the fare to Detroit?
SQL: SELECT "detroit_dtw" FROM airport_traffic_6 WHERE "grand_rapids_grr" = '$377.29'