aherntech/sparc huggingface dataset:
Database: insurance_policies
Question sequence:
Tell me claim 143's settled amount.
Tell me its number of settlements.
Which claims caused more than 2 settlements or have the maximum claim value? List the date the claim was made and the claim id.
SQL query sequence:
SELECT Amount_Settled FROM Claims WHERE Claim_ID = 143
SELECT COUNT(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_ID  =  T2.Claim_ID WHERE T1.Claim_ID = 143
SELECT T1.Date_Claim_Made ,  T1.Claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id  =  T2.Claim_id GROUP BY T1.Claim_id HAVING count(*)  >  2 UNION SELECT T1.Date_Claim_Made ,  T1.Claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id  =  T2.Claim_id WHERE T1.Amount_Claimed  =  ( SELECT max(Amount_Claimed) FROM Claims )
Final question: Which claims caused more than 2 settlements or have the maximum claim value? List the date the claim was made and the claim id.
Final SQL: SELECT T1.Date_Claim_Made ,  T1.Claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id  =  T2.Claim_id GROUP BY T1.Claim_id HAVING count(*)  >  2 UNION SELECT T1.Date_Claim_Made ,  T1.Claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id  =  T2.Claim_id WHERE T1.Amount_Claimed  =  ( SELECT max(Amount_Claimed) FROM Claims )
Database: insurance_policies
Question sequence:
Tell me the claims id of the customer named Ellsworth Paucek.
Tell me the number of policies of the customer named Ellsworth Paucek.
Which customer had at least 2 policies but did not file any claims? List the customer details and id.
SQL query sequence:
SELECT T3.Claim_ID FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.customer_id JOIN Claims AS T3 ON T2.policy_id  =  T3.policy_id WHERE T1.customer_details = "Ellsworth Paucek"
SELECT COUNT(*) FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.customer_id WHERE T1.customer_details = "Ellsworth Paucek"
SELECT T1.customer_details ,  T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.customer_id GROUP BY T1.customer_id HAVING count(*)  >=  2 EXCEPT SELECT T1.customer_details ,  T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.customer_id JOIN Claims AS T3 ON T2.policy_id  =  T3.policy_id
Final question: Which customer had at least 2 policies but did not file any claims? List the customer details and id.
Final SQL: SELECT T1.customer_details ,  T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.customer_id GROUP BY T1.customer_id HAVING count(*)  >=  2 EXCEPT SELECT T1.customer_details ,  T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.customer_id JOIN Claims AS T3 ON T2.policy_id  =  T3.policy_id
Database: insurance_policies
Question sequence:
What is the claim settled date of the claim with id 571.
What is its settlement amount?
Among all the claims, what is the settlement amount of the claim with the largest claim amount? List both the settlement amount and claim amount
SQL query sequence:
SELECT Date_Claim_Settled FROM Claims WHERE Claim_ID = 571
SELECT Amount_Settled FROM Claims WHERE Claim_ID = 571
SELECT Amount_Settled ,  Amount_Claimed FROM Claims ORDER BY Amount_Claimed DESC LIMIT 1
Final question: Among all the claims, what is the settlement amount of the claim with the largest claim amount? List both the settlement amount and claim amount.
Final SQL: SELECT Amount_Settled ,  Amount_Claimed FROM Claims ORDER BY Amount_Claimed DESC LIMIT 1
Database: insurance_policies
Question sequence:
Tell me the claims id of the customer named Dr. Diana Rathk.
What was their claim amount?
Among all the claims, what is the amount claimed in the claim with the least amount settled? List both the settlement amount and claim amount
SQL query sequence:
SELECT T3.Claim_ID FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.customer_id JOIN Claims AS T3 ON T2.policy_id  =  T3.policy_id WHERE T1.customer_details = "Dr. Diana Rathk"
SELECT T3.Amount_Claimed FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.customer_id JOIN Claims AS T3 ON T2.policy_id  =  T3.policy_id WHERE T1.customer_details = "Dr. Diana Rathk"
SELECT Amount_Settled ,  Amount_Claimed FROM Claims ORDER BY Amount_Settled ASC LIMIT 1
Final question: Among all the claims, what is the amount claimed in the claim with the least amount settled? List both the settlement amount and claim amount.
Final SQL: SELECT Amount_Settled ,  Amount_Claimed FROM Claims ORDER BY Amount_Settled ASC LIMIT 1
Database: insurance_policies
Question sequence:
Among all the claims, which one has the largest claim amount?
Which one has the least claim amount?
Which claims have a claimed amount larger than the average? Tell me the date the claim was made and the date it was settled.
SQL query sequence:
SELECT Claim_ID FROM Claims ORDER BY Amount_Settled ASC LIMIT 1
SELECT Claim_ID FROM Claims ORDER BY Amount_Settled DESC LIMIT 1
SELECT Date_Claim_Made ,  Date_Claim_Settled FROM Claims WHERE Amount_Claimed  >  ( SELECT avg(Amount_Claimed) FROM Claims )
Final question: Among all the claims, which claims have a claimed amount larger than the average? List the date the claim was made and the date it was settled.
Final SQL: SELECT Date_Claim_Made ,  Date_Claim_Settled FROM Claims WHERE Amount_Claimed  >  ( SELECT avg(Amount_Claimed) FROM Claims )
Database: insurance_policies
Question sequence:
Tell me claim 563's claim amount.
How about that of claim 621?
Among all the claims, which settlements have a claimed amount that is no more than the average? List the claim start date.
SQL query sequence:
SELECT Amount_Claimed FROM Claims WHERE Claim_ID = 563
SELECT Amount_Claimed FROM Claims WHERE Claim_ID = 621
SELECT Date_Claim_Made FROM Claims WHERE Amount_Settled  <=  ( SELECT avg(Amount_Settled) FROM Claims )
Final question: Among all the claims, which settlements have a claimed amount that is no more than the average? List the claim start date.
Final SQL: SELECT Date_Claim_Made FROM Claims WHERE Amount_Settled  <=  ( SELECT avg(Amount_Settled) FROM Claims )
Database: insurance_policies
Question sequence:
Tell me claim 621's claim amount.
How about its settlement claim amount?
How many settlements does each claim correspond to? List the claim id and the number of settlements.
SQL query sequence:
SELECT Amount_Claimed FROM Claims WHERE Claim_ID = 621
SELECT T2.Amount_Claimed FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_ID  =  T2.Claim_ID WHERE T1.Claim_ID = 621
SELECT T1.Claim_id ,  count(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id  =  T2.claim_id GROUP BY T1.claim_id
Final question: How many settlements does each claim correspond to? List the claim id and the number of settlements.
Final SQL: SELECT T1.Claim_id ,  count(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id  =  T2.claim_id GROUP BY T1.claim_id
Database: insurance_policies
Question sequence:
Tell me the number of settlements of claim 957
How about the settlement claim amount?
Which claim incurred the most number of settlements? List the claim id, the date the claim was made, and the number
SQL query sequence:
SELECT COUNT(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_ID  =  T2.Claim_ID WHERE T1.Claim_ID = 957
SELECT T2.Amount_Claimed FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_ID  =  T2.Claim_ID WHERE T1.Claim_ID = 957
SELECT T1.claim_id ,  T1.date_claim_made ,  count(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id  =  T2.claim_id GROUP BY T1.claim_id ORDER BY count(*) DESC LIMIT 1
Final question: Which claim incurred the most number of settlements? List the claim id, the date the claim was made, and the number.
Final SQL: SELECT T1.claim_id ,  T1.date_claim_made ,  count(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id  =  T2.claim_id GROUP BY T1.claim_id ORDER BY count(*) DESC LIMIT 1
Database: insurance_policies
Question sequence:
Tell me the settlement amount of settlement 564.
What is the date on which the claim was made?
How many settlements were made on the claim with the most recent claim settlement date? Tell me the number and the claim id.
SQL query sequence:
SELECT Amount_Settled FROM Settlements WHERE Settlement_ID = 564
SELECT Date_Claim_Made FROM Settlements WHERE Settlement_ID = 564
SELECT count(*) ,  T1.claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id  =  T2.claim_id GROUP BY T1.claim_id ORDER BY T1.Date_Claim_Settled DESC LIMIT 1
Final question: How many settlements were made on the claim with the most recent claim settlement date? List the number and the claim id.
Final SQL: SELECT count(*) ,  T1.claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id  =  T2.claim_id GROUP BY T1.claim_id ORDER BY T1.Date_Claim_Settled DESC LIMIT 1
Database: insurance_policies
Question sequence:
Tell me which claim has the largest claim amount.
How about the latest one?
How about the earliest one?
SQL query sequence:
SELECT Claim_ID FROM Claims ORDER BY Amount_Settled ASC LIMIT 1
SELECT Date_Claim_Made FROM Claims ORDER BY Date_Claim_Made DESC LIMIT 1
SELECT Date_Claim_Made FROM Claims ORDER BY Date_Claim_Made ASC LIMIT 1
Final question: Of all the claims, what was the earliest date when any claim was made?
Final SQL: SELECT Date_Claim_Made FROM Claims ORDER BY Date_Claim_Made ASC LIMIT 1
Database: insurance_policies
Question sequence:
Tell me the policy types of the customer named Augustine Kerluke
How many are there?
Who are the customers that have had more than 1 policy?
SQL query sequence:
SELECT T2.Policy_Type_Code FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.Customer_id WHERE Customer_Details = "Augustine Kerluke"
SELECT COUNT(T2.Policy_Type_Code) FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.Customer_id WHERE Customer_Details = "Augustine Kerluke"
SELECT T1.customer_details ,  T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.Customer_id GROUP BY T1.customer_id HAVING count(*)  >  1
Final question: Who are the customers that had more than 1 policy? List the customer details and id.
Final SQL: SELECT T1.customer_details ,  T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.Customer_id GROUP BY T1.customer_id HAVING count(*)  >  1
Database: insurance_policies
Question sequence:
Tell me payment method code of the most recent payment.
Tell me the amount of the most recent payment.
What is the most popular payment method?
SQL query sequence:
SELECT Payment_Method_Code FROM Payments ORDER BY Date_Payment_Made DESC LIMIT 1
SELECT Amount_Payment FROM Payments ORDER BY Date_Payment_Made DESC LIMIT 1
SELECT Payment_Method_Code FROM Payments GROUP BY Payment_Method_Code ORDER BY count(*) DESC LIMIT 1
Final question: What is the most popular payment method?
Final SQL: SELECT Payment_Method_Code FROM Payments GROUP BY Payment_Method_Code ORDER BY count(*) DESC LIMIT 1
Database: insurance_policies
Question sequence:
Tell me how many payments are processed by MasterCard?
How about that of Discover Card?
With which kind of payment method were the least number of payments processed?
SQL query sequence:
SELECT COUNT(*) FROM Payments WHERE Payment_Method_Code = "MasterCard"
SELECT COUNT(*) FROM Payments WHERE Payment_Method_Code = "Discover Card"
SELECT Payment_Method_Code FROM Payments GROUP BY Payment_Method_Code ORDER BY count(*) ASC LIMIT 1
Final question: With which kind of payment method were the least number of payments processed?
Final SQL: SELECT Payment_Method_Code FROM Payments GROUP BY Payment_Method_Code ORDER BY count(*) ASC LIMIT 1
Database: insurance_policies
Question sequence:
Tell me the policy types of the customer named Augustine Kerluke.
How many are there?
Which kind of policy type was chosen by the most customers?
SQL query sequence:
SELECT T2.Policy_Type_Code FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.Customer_id WHERE Customer_Details = "Augustine Kerluke"
SELECT COUNT(T2.Policy_Type_Code) FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.Customer_id WHERE Customer_Details = "Augustine Kerluke"
SELECT Policy_Type_Code FROM Customer_Policies GROUP BY Policy_Type_Code ORDER BY count(*) DESC LIMIT 1
Final question: Which kind of policy type was chosen by the most customers?
Final SQL: SELECT Policy_Type_Code FROM Customer_Policies GROUP BY Policy_Type_Code ORDER BY count(*) DESC LIMIT 1
Database: insurance_policies
Question sequence:
Tell me the policy types of the customer named Selena Gerhold.
How about that of the customer named Sydnie Friesen?
Tell me the details of the customers who do not have any policies.
SQL query sequence:
SELECT * FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.Customer_id WHERE Customer_Details = "Selena Gerhold"
SELECT * FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id  =  T2.Customer_id WHERE Customer_Details = "Sydnie Friesen"
SELECT customer_details FROM Customers EXCEPT SELECT T1.customer_details FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.customer_id  =  T2.customer_id
Final question: List the details of the customers who do not have any policies.
Final SQL: SELECT customer_details FROM Customers EXCEPT SELECT T1.customer_details FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.customer_id  =  T2.customer_id
Database: train_station
Question sequence:
Show information for all train stations.
How many are there?
SQL query sequence:
SELECT * FROM station
SELECT count(*) FROM station
Final question: How many train stations are there?
Final SQL: SELECT count(*) FROM station
Database: train_station
Question sequence:
Show the name for all stations.
Also show the location for them.
Also add the number of platforms for each.
SQL query sequence:
SELECT name FROM station
SELECT name ,  LOCATION  FROM station
SELECT name ,  LOCATION ,  number_of_platforms FROM station
Final question: Show the name, location, and number of platforms for all stations.
Final SQL: SELECT name ,  LOCATION ,  number_of_platforms FROM station
Database: train_station
Question sequence:
Show the location for each train station.
Show only distinct results.
SQL query sequence:
SELECT LOCATION FROM station
SELECT DISTINCT LOCATION FROM station
Final question: What are all locations of train stations?
Final SQL: SELECT DISTINCT LOCATION FROM station
Database: train_station
Question sequence:
Show the name for all train stations.
Also show the total passenger for them.
How about the results for those stations not in London?
SQL query sequence:
SELECT name FROM station
SELECT name ,  total_passengers FROM station
SELECT name ,  total_passengers FROM station WHERE LOCATION != 'London'
Final question: Show the names and total passengers for all train stations not in London.
Final SQL: SELECT name ,  total_passengers FROM station WHERE LOCATION != 'London'
Database: train_station
Question sequence:
Show the names of the stations.
Also show the main services for them.
Order the results by the total number of passengers, descending.
Only show the top three.
SQL query sequence:
SELECT name FROM station
SELECT name ,  main_services FROM station
SELECT name ,  main_services FROM station ORDER BY total_passengers DESC
SELECT name ,  main_services FROM station ORDER BY total_passengers DESC LIMIT 3
Final question: Show the names and main services for train stations that have the top three total number of passengers.
Final SQL: SELECT name ,  main_services FROM station ORDER BY total_passengers DESC LIMIT 3
Database: train_station
Question sequence:
Show the total passengers for all train stations.
Show the total passengers for those in either London or Glasgow.
What is the average?
Also show the maximum.
SQL query sequence:
SELECT total_passengers  FROM station
SELECT total_passengers  FROM station WHERE LOCATION  =  'London' OR LOCATION  =  'Glasgow'
SELECT avg(total_passengers)  FROM station WHERE LOCATION  =  'London' OR LOCATION  =  'Glasgow'
SELECT avg(total_passengers) ,  max(total_passengers) FROM station WHERE LOCATION  =  'London' OR LOCATION  =  'Glasgow'
Final question: What is the average and maximum number of total passengers for train stations in London or Glasgow?
Final SQL: SELECT avg(total_passengers) ,  max(total_passengers) FROM station WHERE LOCATION  =  'London' OR LOCATION  =  'Glasgow'
Database: train_station
Question sequence:
Show the location for train stations.
For each location of them, show the total number of platforms.
For each of them, also show the total number of passengers.
SQL query sequence:
SELECT LOCATION FROM station
SELECT LOCATION ,  sum(number_of_platforms) FROM station GROUP BY LOCATION
SELECT LOCATION ,  sum(number_of_platforms) ,  sum(total_passengers) FROM station GROUP BY LOCATION
Final question: Show all locations and the total number of platforms and passengers for all train stations in each location.
Final SQL: SELECT LOCATION ,  sum(number_of_platforms) ,  sum(total_passengers) FROM station GROUP BY LOCATION
Database: train_station
Question sequence:
Show locations for stations.
Show locations for stations with at least 15 platforms.
Among those, which locations also have stations with more than 25 total passengers?
Show distinct locations of them.
SQL query sequence:
select LOCATION FROM station
SELECT LOCATION FROM station WHERE number_of_platforms  >=  15
SELECT LOCATION FROM station WHERE number_of_platforms  >=  15 AND total_passengers  >  25
SELECT DISTINCT LOCATION FROM station WHERE number_of_platforms  >=  15 AND total_passengers  >  25
Final question: Show all locations that have train stations with at least 15 platforms and train stations with more than 25 total passengers.
Final SQL: SELECT DISTINCT LOCATION FROM station WHERE number_of_platforms  >=  15 AND total_passengers  >  25
Database: train_station
Question sequence:
Show all locations of train stations.
Show locations with a station having at least 15 platforms.
Show all locations that don't.
SQL query sequence:
SELECT LOCATION FROM station
SELECT LOCATION FROM station WHERE number_of_platforms  >=  15
SELECT LOCATION FROM station EXCEPT SELECT LOCATION FROM station WHERE number_of_platforms  >=  15
Final question: Show all locations which don't have a train station with at least 15 platforms.
Final SQL: SELECT LOCATION FROM station EXCEPT SELECT LOCATION FROM station WHERE number_of_platforms  >=  15
Database: train_station
Question sequence:
Show the location for all train stations.
Show them in descending order of the number of train stations.
Which one has the most?
SQL query sequence:
SELECT LOCATION FROM station
SELECT LOCATION FROM station GROUP BY LOCATION ORDER BY count(*) DESC
SELECT LOCATION FROM station GROUP BY LOCATION ORDER BY count(*) DESC LIMIT 1
Final question: Show the location with most number of train stations.
Final SQL: SELECT LOCATION FROM station GROUP BY LOCATION ORDER BY count(*) DESC LIMIT 1
Database: train_station
Question sequence:
Show the name for all trains.
Also show the time and service for them.
SQL query sequence:
SELECT name FROM train
SELECT name ,  TIME ,  service FROM train
Final question: Show the name, time, and service for all trains.
Final SQL: SELECT name ,  TIME ,  service FROM train
Database: train_station
Question sequence:
Show information for all trains.
How many are there?
SQL query sequence:
SELECT * FROM train
SELECT count(*) FROM train
Final question: Show the number of trains
Final SQL: SELECT count(*) FROM train
Database: train_station
Question sequence:
Show the names of the trains.
Also show the services.
Order the result by time.
SQL query sequence:
SELECT name FROM train
SELECT name ,  service FROM train
SELECT name ,  service FROM train ORDER BY TIME
Final question: Show the name and service for all trains in order by time.
Final SQL: SELECT name ,  service FROM train ORDER BY TIME
Database: train_station
Question sequence:
Show the name for each station.
For each station name, also count the number of trains.
SQL query sequence:
select name from station
SELECT T2.name ,  count(*) FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id GROUP BY T1.station_id
Final question: Show the station name and number of trains in each station.
Final SQL: SELECT T2.name ,  count(*) FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id GROUP BY T1.station_id
Database: train_station
Question sequence:
Show the name for each train.
For each train, also show the station name.
SQL query sequence:
select name from train
SELECT T2.name ,  T3.name FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id JOIN train AS T3 ON T3.train_id  =  T1.train_id
Final question: show the train name and station name for each train.
Final SQL: SELECT T2.name ,  T3.name FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id JOIN train AS T3 ON T3.train_id  =  T1.train_id
Database: train_station
Question sequence:
Show all train names and times.
Show the results only for trains in stations in London.
Order them in descending order by train time.
SQL query sequence:
select name, time from train
SELECT T3.name ,  T3.time FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id JOIN train AS T3 ON T3.train_id  =  T1.train_id WHERE T2.location  =  'London'
SELECT T3.name ,  T3.time FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id JOIN train AS T3 ON T3.train_id  =  T1.train_id WHERE T2.location  =  'London' ORDER BY T3.time DESC
Final question: Show all train names and times in stations in London in descending order by train time.
Final SQL: SELECT T3.name ,  T3.time FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id JOIN train AS T3 ON T3.train_id  =  T1.train_id WHERE T2.location  =  'London' ORDER BY T3.time DESC
Database: train_station
Question sequence:
Show the name for all train stations.
Order those names in descending order of the number of trains.
Which one has the most?
SQL query sequence:
SELECT name FROM station
SELECT T2.name FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id GROUP BY T1.station_id ORDER BY count(*) DESC
SELECT T2.name FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id GROUP BY T1.station_id ORDER BY count(*) DESC LIMIT 1
Final question: Show the station name with greatest number of trains.
Final SQL: SELECT T2.name FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id GROUP BY T1.station_id ORDER BY count(*) DESC LIMIT 1
Database: train_station
Question sequence:
List the name for all stations.
Also count the number of trains for each.
Show those names with at least two trains.
SQL query sequence:
SELECT name FROM station
SELECT T2.name, count(*) FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id GROUP BY T1.station_id
SELECT T2.name FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id GROUP BY T1.station_id HAVING count(*)  >=  2
Final question: Show the station name with at least two trains.
Final SQL: SELECT T2.name FROM train_station AS T1 JOIN station AS T2 ON T1.station_id  =  T2.station_id GROUP BY T1.station_id HAVING count(*)  >=  2
Database: train_station
Question sequence:
Show the location for all stations.
What are those locations with only 1 station?
SQL query sequence:
SELECT LOCATION FROM station
SELECT LOCATION FROM station GROUP BY LOCATION HAVING count(*)  =  1
Final question: Show all locations with only 1 station.
Final SQL: SELECT LOCATION FROM station GROUP BY LOCATION HAVING count(*)  =  1
Database: train_station
Question sequence:
Show station id for all stations with a train.
Show the name of stations without any train.
SQL query sequence:
SELECT station_id FROM train_station
SELECT name FROM station WHERE station_id NOT IN (SELECT station_id FROM train_station)
Final question: Show station names without any trains.
Final SQL: SELECT name FROM station WHERE station_id NOT IN (SELECT station_id FROM train_station)