CREATE TABLE table_15238 ("Company" TEXT, "Plan name" TEXT, "Technology" TEXT, "Maximum download speed/ kbps" TEXT, "Data limit/ GB" TEXT, "Monthly price incl. VAT/ CZK" TEXT)

What is the data limit for vodafone?
SELECT "Data limit/ GB" FROM table_15238 WHERE "Company" = 'vodafone'
SELECT "Data limit/ GB" FROM "table_15238" WHERE "Company" = 'vodafone'